diff --git a/src/skins/vector/css/organisms/RoomView.css b/src/skins/vector/css/organisms/RoomView.css
index 2358bc095e..8dff990094 100644
--- a/src/skins/vector/css/organisms/RoomView.css
+++ b/src/skins/vector/css/organisms/RoomView.css
@@ -276,8 +276,8 @@ limitations under the License.
     order: 5;
 
     width: 100%;
-    -webkit-flex: 0;
-    flex: 0;
+    -webkit-flex: 0 0 auto;
+    flex: 0 0 auto;
     margin-right: 2px;
 }