diff --git a/CHANGELOG b/CHANGELOG
index 7941a29d4ed708997df4d4d24d319da80aa78e22..6a4fdad87558dea4b8421c7c9334e8e74d7e89c4 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -50,6 +50,7 @@ v 8.12.0 (unreleased)
   - Adds response mime type to transaction metric action when it's not HTML
   - Fix hover leading space bug in pipeline graph !5980
   - User can edit closed MR with deleted fork (Katarzyna Kobierska Ula Budziszewska) !5496
+  - Fixed invisible scroll controls on build page on iPhone
 
 v 8.11.4 (unreleased)
   - Fix broken gitlab:backup:restore because of bad permissions on repo storage !6098 (Dirk Hörner)
diff --git a/app/assets/stylesheets/pages/builds.scss b/app/assets/stylesheets/pages/builds.scss
index 8c33e7d9a2e977978eeb14a730eb138b6ddf96e9..cee198691c2686f8d96c26cc805fa04558b05fdb 100644
--- a/app/assets/stylesheets/pages/builds.scss
+++ b/app/assets/stylesheets/pages/builds.scss
@@ -36,6 +36,7 @@
     &.affix {
       right: 30px;
       bottom: 15px;
+      z-index: 1;
 
       @media (min-width: $screen-md-min) {
         right: 26%;