diff --git a/res/css/views/rooms/_RoomSublist2.scss b/res/css/views/rooms/_RoomSublist2.scss
index bb760e7e6e..abc3133fc1 100644
--- a/res/css/views/rooms/_RoomSublist2.scss
+++ b/res/css/views/rooms/_RoomSublist2.scss
@@ -15,3 +15,8 @@ limitations under the License.
 */
 
 @import "../../../../node_modules/react-resizable/css/styles.css";
+
+.mx_RoomList2 .mx_RoomSubList_labelContainer {
+  z-index: 12;
+  background-color: purple;
+}