diff --git a/app/assets/stylesheets/zammad.scss b/app/assets/stylesheets/zammad.scss
index 19233051e..557224449 100644
--- a/app/assets/stylesheets/zammad.scss
+++ b/app/assets/stylesheets/zammad.scss
@@ -4728,11 +4728,6 @@ footer {
 
 .ticketZoom {
   background: #f8f9fa;
-  /*
-    force ticket zoom to show scrollbars
-    because we offset the tabs bar when the os shows scrollbars
-  */
-  min-height: 101%;
 }
 
 .ticketZoom-controls {
@@ -5545,6 +5540,12 @@ footer {
 
 .tabsSidebar-tabsSpacer {
   @include bidi-style(padding-right, 62px !important, padding-left, 0);
+  /*
+    force div to show scrollbars
+    because we offset the sidebar tabs when the os shows scrollbars
+  */
+  overflow-x: hidden;
+  overflow-y: scroll;
 }
 
 .tabsSidebar-sidebarSpacer {