diff --git a/res/css/views/rooms/_MessageComposerFormatBar.scss b/res/css/views/rooms/_MessageComposerFormatBar.scss
index 80909529ee..1b5a21bed0 100644
--- a/res/css/views/rooms/_MessageComposerFormatBar.scss
+++ b/res/css/views/rooms/_MessageComposerFormatBar.scss
@@ -40,6 +40,7 @@ limitations under the License.
 
         &:hover {
             border-color: $message-action-bar-hover-border-color;
+            z-index: 1;
         }
 
         &:first-child {