diff --git a/skins/Vector/components/notifications.less b/skins/Vector/components/notifications.less
index 05a1e613b81..5bb6f1a3a16 100644
--- a/skins/Vector/components/notifications.less
+++ b/skins/Vector/components/notifications.less
@@ -1,5 +1,8 @@
 /* mediawiki.notification */
-.skin-vector {
+
+// This wrapper class is needed to ensure these rules have larger CSS
+// selector specificity than default styles
+.mediawiki {
 	.mw-notification-area {
 		font-size: 0.8em;
 	}