diff --git a/app/assets/stylesheets/desktop/compose.scss b/app/assets/stylesheets/desktop/compose.scss
index 460c34ae4f3..94bf34c89b9 100644
--- a/app/assets/stylesheets/desktop/compose.scss
+++ b/app/assets/stylesheets/desktop/compose.scss
@@ -16,7 +16,7 @@
   }
 
   .select-kit.is-expanded {
-    z-index: z("composer", "dropdown");
+    z-index: z("composer", "dropdown") + 1;
   }
 }