diff --git a/app/assets/stylesheets/mobile/compose.scss b/app/assets/stylesheets/mobile/compose.scss
index 47b5999fc35..450d568e403 100644
--- a/app/assets/stylesheets/mobile/compose.scss
+++ b/app/assets/stylesheets/mobile/compose.scss
@@ -158,6 +158,7 @@
       flex: 1;
       margin-left: 5px;
       margin-bottom: 5px;
+      z-index: z("base");
     }
   }