diff --git a/src/skins/vector/css/matrix-react-sdk/views/rooms/_RoomHeader.scss b/src/skins/vector/css/matrix-react-sdk/views/rooms/_RoomHeader.scss
index 4affc994..5150d8cf 100644
--- a/src/skins/vector/css/matrix-react-sdk/views/rooms/_RoomHeader.scss
+++ b/src/skins/vector/css/matrix-react-sdk/views/rooms/_RoomHeader.scss
@@ -31,6 +31,7 @@ limitations under the License.
     margin-left: -2px;
     order: 1;
     flex: 1;
+    overflow: hidden;
 }
 
 .mx_RoomHeader_spinner {