diff --git a/changelogs/unreleased/cc-disable-advice-object-name-warning.yml b/changelogs/unreleased/cc-disable-advice-object-name-warning.yml
new file mode 100644
index 0000000000000000000000000000000000000000..97c650c87e3b5753064e1d0ad97db5c6a47cd24f
--- /dev/null
+++ b/changelogs/unreleased/cc-disable-advice-object-name-warning.yml
@@ -0,0 +1,5 @@
+---
+title: Disable advice.objectNameWarning when rebasing
+merge_request: 2001
+author:
+type: fixed
diff --git a/ruby/lib/gitlab/git/repository.rb b/ruby/lib/gitlab/git/repository.rb
index dcc75e7b191276a0c7d2979f95e16d42e8b16902..54c3af749c612c3f71fca9a8ed4a241e77a485dd 100644
--- a/ruby/lib/gitlab/git/repository.rb
+++ b/ruby/lib/gitlab/git/repository.rb
@@ -371,7 +371,7 @@ module Gitlab
 
         with_worktree(worktree, branch, sparse_checkout_files: diff_files, env: env) do
           run_git!(
-            %W[pull --rebase #{remote_repo_path} #{remote_branch}],
+            %W[-c advice.objectNameWarning=false pull --rebase #{remote_repo_path} #{remote_branch}],
             chdir: worktree.path, env: env, include_stderr: true
           )