diff --git a/app/models/project_wiki.rb b/app/models/project_wiki.rb
index f02ccd9e55e8ccacced293df6876d3903d3510f5..48c96203921c4198c88cf92e292baa67fab61406 100644
--- a/app/models/project_wiki.rb
+++ b/app/models/project_wiki.rb
@@ -58,7 +58,7 @@ def http_url_to_repo
   end
 
   def wiki_base_path
-    [Gitlab.config.gitlab.relative_url_root, '/', @project.full_path, '/wikis'].join('')
+    [Gitlab.config.gitlab.relative_url_root, '/', @project.full_path, '/-', '/wikis'].join('')
   end
 
   # Returns the Gitlab::Git::Wiki object.
diff --git a/changelogs/unreleased/dz-move-wiki-route.yml b/changelogs/unreleased/dz-move-wiki-route.yml
new file mode 100644
index 0000000000000000000000000000000000000000..f4fa96d88221305526e28c1119d5b50c002bd1b7
--- /dev/null
+++ b/changelogs/unreleased/dz-move-wiki-route.yml
@@ -0,0 +1,5 @@
+---
+title: Move wiki routing under /-/ scope
+merge_request: 21185
+author:
+type: deprecated
diff --git a/config/routes/project.rb b/config/routes/project.rb
index 8a5e20c8effc4ea5261ca82e69021a6871c615fd..2cc04da6f35fd5aa6dc8eada23e4b72619350be7 100644
--- a/config/routes/project.rb
+++ b/config/routes/project.rb
@@ -258,6 +258,10 @@
             post :list_projects
           end
         end
+
+        # The wiki routing contains wildcard characters so
+        # its preferable to keep it below all other project routes
+        draw :wiki
       end
       # End of the /-/ scope.
 
@@ -523,9 +527,8 @@
         post :web_ide_clientside_preview
       end
 
-      # Since both wiki and repository routing contains wildcard characters
+      # The repository routing contains wildcard characters so
       # its preferable to keep it below all other project routes
-      draw :wiki
       draw :repository
 
       # All new routes should go under /-/ scope.
@@ -542,7 +545,7 @@
                                             :forks, :group_links, :import, :avatar, :mirror,
                                             :cycle_analytics, :mattermost, :variables, :triggers,
                                             :environments, :protected_environments, :error_tracking,
-                                            :serverless, :clusters, :audit_events)
+                                            :serverless, :clusters, :audit_events, :wikis)
     end
 
     # rubocop: disable Cop/PutProjectRoutesUnderScope
diff --git a/doc/user/project/integrations/webhooks.md b/doc/user/project/integrations/webhooks.md
index f027fb6915712a67eddf928a1a3a8eb87a58b67c..3a0cedc1d1a6fc2177e9b0ff7339980db751b2ed 100644
--- a/doc/user/project/integrations/webhooks.md
+++ b/doc/user/project/integrations/webhooks.md
@@ -969,7 +969,7 @@ X-Gitlab-Event: Wiki Page Hook
     "http_url": "http://example.com/root/awesome-project.git"
   },
   "wiki": {
-    "web_url": "http://example.com/root/awesome-project/wikis/home",
+    "web_url": "http://example.com/root/awesome-project/-/wikis/home",
     "git_ssh_url": "git@example.com:root/awesome-project.wiki.git",
     "git_http_url": "http://example.com/root/awesome-project.wiki.git",
     "path_with_namespace": "root/awesome-project.wiki",
@@ -981,7 +981,7 @@ X-Gitlab-Event: Wiki Page Hook
     "format": "markdown",
     "message": "adding an awesome page to the wiki",
     "slug": "awesome",
-    "url": "http://example.com/root/awesome-project/wikis/awesome",
+    "url": "http://example.com/root/awesome-project/-/wikis/awesome",
     "action": "create"
   }
 }
diff --git a/spec/features/projects/wiki/markdown_preview_spec.rb b/spec/features/projects/wiki/markdown_preview_spec.rb
index 5c6b04a7141687dcde41522d70154268a5669597..331ba58d0678a56edd2e9981ef50ee2d7b4a7448 100644
--- a/spec/features/projects/wiki/markdown_preview_spec.rb
+++ b/spec/features/projects/wiki/markdown_preview_spec.rb
@@ -29,11 +29,11 @@
 
         expect(page).to have_content("regular link")
 
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/c/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/c/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/c/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/c/e/f/relative\">relative link 3</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
       end
     end
 
@@ -43,11 +43,11 @@
 
         expect(page).to have_content("regular link")
 
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
       end
     end
 
@@ -57,11 +57,11 @@
 
         expect(page).to have_content("regular link")
 
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
       end
     end
   end
@@ -77,11 +77,11 @@
 
         expect(page).to have_content("regular link")
 
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/c/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a/b/c/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/c/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/c/e/f/relative\">relative link 3</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
       end
     end
 
@@ -95,11 +95,11 @@
 
         expect(page).to have_content("regular link")
 
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
       end
     end
 
@@ -113,11 +113,11 @@
 
         expect(page).to have_content("regular link")
 
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/wikis/title%20with%20spaces\">spaced link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/relative\">relative link 1</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
+        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
       end
     end
 
diff --git a/spec/features/projects/wiki/user_creates_wiki_page_spec.rb b/spec/features/projects/wiki/user_creates_wiki_page_spec.rb
index 56d0518015d41d89c9360cbfcab5a586d0d13677..499c459621adef2c5017935c0efcc10afbeedfe1 100644
--- a/spec/features/projects/wiki/user_creates_wiki_page_spec.rb
+++ b/spec/features/projects/wiki/user_creates_wiki_page_spec.rb
@@ -55,7 +55,7 @@
         end
 
         expect(current_path).to include("one/two/three-test")
-        expect(page).to have_xpath("//a[@href='/#{project.full_path}/wikis/one/two/three-test']")
+        expect(page).to have_xpath("//a[@href='/#{project.full_path}/-/wikis/one/two/three-test']")
       end
 
       it "has `Create home` as a commit message", :js do
diff --git a/spec/helpers/wiki_helper_spec.rb b/spec/helpers/wiki_helper_spec.rb
index bcc2bd71da1243605a140177eef922cbcead43bf..1aab01281c639e7e853a61c9bf0275d982102e57 100644
--- a/spec/helpers/wiki_helper_spec.rb
+++ b/spec/helpers/wiki_helper_spec.rb
@@ -27,7 +27,7 @@
     let(:classes) { "btn btn-default has-tooltip reverse-sort-btn qa-reverse-sort rspec-reverse-sort" }
 
     def expected_link(sort, direction, icon_class)
-      path = "/#{project.full_path}/wikis/pages?direction=#{direction}&sort=#{sort}"
+      path = "/#{project.full_path}/-/wikis/pages?direction=#{direction}&sort=#{sort}"
 
       helper.link_to(path, type: 'button', class: classes, title: 'Sort direction') do
         helper.sprite_icon("sort-#{icon_class}", size: 16)
diff --git a/spec/lib/banzai/pipeline/wiki_pipeline_spec.rb b/spec/lib/banzai/pipeline/wiki_pipeline_spec.rb
index 26f2b0b0acf37892ad04382b4578eedeafd14287..e1814ea403e29a89ec21e959e8b260073a0426cf 100644
--- a/spec/lib/banzai/pipeline/wiki_pipeline_spec.rb
+++ b/spec/lib/banzai/pipeline/wiki_pipeline_spec.rb
@@ -72,14 +72,14 @@
               markdown = "[Page](./page)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/page\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/page\"")
             end
 
             it "rewrites file links to be at the scope of the current directory" do
               markdown = "[Link to Page](./page.md)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/page.md\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/page.md\"")
             end
           end
 
@@ -88,14 +88,14 @@
               markdown = "[Link to Page](../page)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/page\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/nested/page\"")
             end
 
             it "rewrites file links to be at the scope of the parent directory" do
               markdown = "[Link to Page](../page.md)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/page.md\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/nested/page.md\"")
             end
           end
 
@@ -104,14 +104,14 @@
               markdown = "[Link to Page](./subdirectory/page)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/subdirectory/page\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/subdirectory/page\"")
             end
 
             it "rewrites file links to be at the scope of the sub-directory" do
               markdown = "[Link to Page](./subdirectory/page.md)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/subdirectory/page.md\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/subdirectory/page.md\"")
             end
           end
 
@@ -120,35 +120,35 @@
               markdown = "[Link to Page](page)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/page\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/page\"")
             end
 
             it 'rewrites non-file links (with spaces) to be at the scope of the wiki root' do
               markdown = "[Link to Page](page slug)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/page%20slug\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/page%20slug\"")
             end
 
             it "rewrites file links to be at the scope of the current directory" do
               markdown = "[Link to Page](page.md)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/page.md\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/page.md\"")
             end
 
             it 'rewrites links with anchor' do
               markdown = '[Link to Header](start-page#title)'
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/start-page#title\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/start-page#title\"")
             end
 
             it 'rewrites links (with spaces) with anchor' do
               markdown = '[Link to Header](start page#title)'
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/start%20page#title\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/start%20page#title\"")
             end
           end
 
@@ -157,14 +157,14 @@
               markdown = "[Link to Page](/page)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/page\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/page\"")
             end
 
             it 'rewrites file links to be at the scope of the wiki root' do
               markdown = "[Link to Page](/page.md)"
               output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/page.md\"")
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/-/wikis/page.md\"")
             end
           end
         end
@@ -270,28 +270,28 @@
       markdown = "![video_file](video_file_name.mp4)"
       output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-      expect(output).to include('<video src="/wiki_link_ns/wiki_link_project/wikis/nested/twice/video_file_name.mp4"')
+      expect(output).to include('<video src="/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/video_file_name.mp4"')
     end
 
     it 'rewrites and replaces video links names with white spaces to %20' do
       markdown = "![video file](video file name.mp4)"
       output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-      expect(output).to include('<video src="/wiki_link_ns/wiki_link_project/wikis/nested/twice/video%20file%20name.mp4"')
+      expect(output).to include('<video src="/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/video%20file%20name.mp4"')
     end
 
     it 'generates audio html structure' do
       markdown = "![audio_file](audio_file_name.wav)"
       output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-      expect(output).to include('<audio src="/wiki_link_ns/wiki_link_project/wikis/nested/twice/audio_file_name.wav"')
+      expect(output).to include('<audio src="/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/audio_file_name.wav"')
     end
 
     it 'rewrites and replaces audio links names with white spaces to %20' do
       markdown = "![audio file](audio file name.wav)"
       output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
 
-      expect(output).to include('<audio src="/wiki_link_ns/wiki_link_project/wikis/nested/twice/audio%20file%20name.wav"')
+      expect(output).to include('<audio src="/wiki_link_ns/wiki_link_project/-/wikis/nested/twice/audio%20file%20name.wav"')
     end
   end
 end
diff --git a/spec/models/project_wiki_spec.rb b/spec/models/project_wiki_spec.rb
index 31d1d1fd7d1d143c44ab58d5b1b2c72a55c61ea8..af23f121bdc85a2d67d41ffe623d16ae161eb8c4 100644
--- a/spec/models/project_wiki_spec.rb
+++ b/spec/models/project_wiki_spec.rb
@@ -28,7 +28,7 @@
 
   describe '#web_url' do
     it 'returns the full web URL to the wiki' do
-      expect(subject.web_url).to eq("#{Gitlab.config.gitlab.url}/#{project.full_path}/wikis/home")
+      expect(subject.web_url).to eq("#{Gitlab.config.gitlab.url}/#{project.full_path}/-/wikis/home")
     end
   end
 
@@ -71,7 +71,7 @@
 
   describe "#wiki_base_path" do
     it "returns the wiki base path" do
-      wiki_base_path = "#{Gitlab.config.gitlab.relative_url_root}/#{project.full_path}/wikis"
+      wiki_base_path = "#{Gitlab.config.gitlab.relative_url_root}/#{project.full_path}/-/wikis"
 
       expect(subject.wiki_base_path).to eq(wiki_base_path)
     end
diff --git a/spec/routing/project_routing_spec.rb b/spec/routing/project_routing_spec.rb
index fc562f934063cc3c0143b561261b9644fb11b76a..287db20448aca0b5646a28c15b006102f9fdb6e3 100644
--- a/spec/routing/project_routing_spec.rb
+++ b/spec/routing/project_routing_spec.rb
@@ -155,17 +155,21 @@
   #                      DELETE /:project_id/wikis/:id(.:format)         projects/wikis#destroy
   describe Projects::WikisController, 'routing' do
     it 'to #pages' do
-      expect(get('/gitlab/gitlabhq/wikis/pages')).to route_to('projects/wikis#pages', namespace_id: 'gitlab', project_id: 'gitlabhq')
+      expect(get('/gitlab/gitlabhq/-/wikis/pages')).to route_to('projects/wikis#pages', namespace_id: 'gitlab', project_id: 'gitlabhq')
     end
 
     it 'to #history' do
-      expect(get('/gitlab/gitlabhq/wikis/1/history')).to route_to('projects/wikis#history', namespace_id: 'gitlab', project_id: 'gitlabhq', id: '1')
+      expect(get('/gitlab/gitlabhq/-/wikis/1/history')).to route_to('projects/wikis#history', namespace_id: 'gitlab', project_id: 'gitlabhq', id: '1')
     end
 
     it_behaves_like 'RESTful project resources' do
       let(:actions)    { [:create, :edit, :show, :destroy] }
       let(:controller) { 'wikis' }
+      let(:controller_path) { '/-/wikis' }
     end
+
+    it_behaves_like 'redirecting a legacy project path', "/gitlab/gitlabhq/wikis", "/gitlab/gitlabhq/-/wikis"
+    it_behaves_like 'redirecting a legacy project path', "/gitlab/gitlabhq/wikis/home/edit", "/gitlab/gitlabhq/-/wikis/home/edit"
   end
 
   # branches_project_repository GET    /:project_id/repository/branches(.:format) projects/repositories#branches