diff --git a/app/assets/javascripts/pages/projects/project.js b/app/assets/javascripts/pages/projects/project.js
index ef6953db83b2570e7109514e28e86c0aba635690..7bb740465c80aeb6c800ded0ee4ed858bcc64ae8 100644
--- a/app/assets/javascripts/pages/projects/project.js
+++ b/app/assets/javascripts/pages/projects/project.js
@@ -126,8 +126,9 @@ export default class Project {
               const refs = this.fullData.Branches.concat(this.fullData.Tags);
               const currentRef = refs.find((ref) => loc.indexOf(ref) > -1);
               if (currentRef) {
-                const targetPath = loc.split(currentRef)[1].slice(1);
+                const targetPath = loc.split(currentRef)[1].slice(1).split('#')[0];
                 selectedUrl.searchParams.set('path', targetPath);
+                selectedUrl.hash = window.location.hash;
               }
             }
 
diff --git a/changelogs/unreleased/296667-fix-branch-change-with-line-selected.yml b/changelogs/unreleased/296667-fix-branch-change-with-line-selected.yml
new file mode 100644
index 0000000000000000000000000000000000000000..f42e04a193c88c5771c05ce6d30e62a2b0d11b2f
--- /dev/null
+++ b/changelogs/unreleased/296667-fix-branch-change-with-line-selected.yml
@@ -0,0 +1,5 @@
+---
+title: Fix bug branch change with line selected
+merge_request: 52285
+author:
+type: fixed