diff --git a/res/css/views/context_menus/_IconizedContextMenu.scss b/res/css/views/context_menus/_IconizedContextMenu.scss
index 01ca8a419d8..69e30eb4e61 100644
--- a/res/css/views/context_menus/_IconizedContextMenu.scss
+++ b/res/css/views/context_menus/_IconizedContextMenu.scss
@@ -90,6 +90,7 @@ limitations under the License.
                 width: 16px;
                 min-width: 16px;
                 max-width: 16px;
+                mask-size: contain;
             }
 
             span.mx_IconizedContextMenu_label { // labels