diff --git a/res/css/structures/_FilePanel.scss b/res/css/structures/_FilePanel.scss
index 703e90f402..87e885e668 100644
--- a/res/css/structures/_FilePanel.scss
+++ b/res/css/structures/_FilePanel.scss
@@ -18,6 +18,7 @@ limitations under the License.
     order: 2;
     flex: 1 1 0;
     overflow-y: auto;
+    display: flex;
 }
 
 .mx_FilePanel .mx_RoomView_messageListWrapper {
diff --git a/res/css/structures/_NotificationPanel.scss b/res/css/structures/_NotificationPanel.scss
index 78b3522d4e..c9e0261ec9 100644
--- a/res/css/structures/_NotificationPanel.scss
+++ b/res/css/structures/_NotificationPanel.scss
@@ -18,6 +18,7 @@ limitations under the License.
     order: 2;
     flex: 1 1 0;
     overflow-y: auto;
+    display: flex;
 }
 
 .mx_NotificationPanel .mx_RoomView_messageListWrapper {