diff --git a/app/views/projects/edit.html.haml b/app/views/projects/edit.html.haml
index e16d132f86905b09ac0c1d705df27eb773215f94..0931ceb1512a2f8b5f5e7d075157dbd740f7309f 100644
--- a/app/views/projects/edit.html.haml
+++ b/app/views/projects/edit.html.haml
@@ -58,7 +58,7 @@
             - if @project.avatar?
               %hr
               = link_to _('Remove avatar'), project_avatar_path(@project), data: { confirm: _("Avatar will be removed. Are you sure?") }, method: :delete, class: "btn btn-danger btn-inverted"
-        = f.submit 'Save changes', class: "btn btn-success"
+        = f.submit 'Save changes', class: "btn btn-success js-btn-save-general-project-settings"
 
   %section.settings.sharing-permissions.no-animate{ class: ('expanded' if expanded) }
     .settings-header
diff --git a/app/views/projects/update.js.haml b/app/views/projects/update.js.haml
index 2c05ebe52ae028839c067839295418e72e2085c2..1a353953838dfdcf8c710581a96b4bca98b1821b 100644
--- a/app/views/projects/update.js.haml
+++ b/app/views/projects/update.js.haml
@@ -6,4 +6,4 @@
     $(".project-edit-errors").html("#{escape_javascript(render('errors'))}");
     $('.save-project-loader').hide();
     $('.project-edit-container').show();
-    $('.edit-project .btn-save').enable();
+    $('.edit-project .js-btn-save-general-project-settings').enable();
diff --git a/changelogs/unreleased/43201-rename-repository-submit-button-disabled.yml b/changelogs/unreleased/43201-rename-repository-submit-button-disabled.yml
new file mode 100644
index 0000000000000000000000000000000000000000..b527000332e2d21c665b27f200765c6d9154c79e
--- /dev/null
+++ b/changelogs/unreleased/43201-rename-repository-submit-button-disabled.yml
@@ -0,0 +1,5 @@
+---
+title: Allows project rename after validation error
+merge_request: 17150
+author:
+type: fixed