diff --git a/app/assets/stylesheets/pages/repo.scss b/app/assets/stylesheets/pages/repo.scss
index 90512d8bac43b6a6e64fc746f0575cea103a3411..d728697b8bc7bc99c6f46784192737cc8d373a88 100644
--- a/app/assets/stylesheets/pages/repo.scss
+++ b/app/assets/stylesheets/pages/repo.scss
@@ -786,7 +786,10 @@
   top: 0;
   bottom: 0;
   width: 4px;
-  background-color: $white-dark;
+
+  &:hover {
+    background-color: $white-normal;
+  }
 
   &.drag-right {
     right: 0;