diff --git a/app/assets/stylesheets/common/admin/customize.scss b/app/assets/stylesheets/common/admin/customize.scss
index 838a9a1a795..ca2e8d587d2 100644
--- a/app/assets/stylesheets/common/admin/customize.scss
+++ b/app/assets/stylesheets/common/admin/customize.scss
@@ -196,6 +196,10 @@
         }
       }
     }
+
+    .d-button-label {
+      @include ellipsis;
+    }
   }
 
   .themes-list-container {