diff --git a/src/skins/vector/css/matrix-react-sdk/structures/_GroupView.scss b/src/skins/vector/css/matrix-react-sdk/structures/_GroupView.scss
index 87b46c05e..583ab2ce2 100644
--- a/src/skins/vector/css/matrix-react-sdk/structures/_GroupView.scss
+++ b/src/skins/vector/css/matrix-react-sdk/structures/_GroupView.scss
@@ -204,6 +204,7 @@ limitations under the License.
     flex-grow: 1;
     border-top: 1px solid $primary-hairline-color;
     padding-top: 10px;
+    word-break: break-word;
 }
 
 .mx_GroupView .mx_RoomView_messageListWrapper {