diff --git a/app/assets/stylesheets/common/base/compose.scss b/app/assets/stylesheets/common/base/compose.scss
index e7e3e28e589..47e3aa51968 100644
--- a/app/assets/stylesheets/common/base/compose.scss
+++ b/app/assets/stylesheets/common/base/compose.scss
@@ -237,6 +237,10 @@
     }
   }
 
+  .popup-tip {
+    z-index: z("composer","dropdown");
+  }
+    
   .wmd-controls {
     position: relative;
     display: flex;