diff --git a/src/course-outline/hooks.jsx b/src/course-outline/hooks.jsx
index e8e3b6595..900522656 100644
--- a/src/course-outline/hooks.jsx
+++ b/src/course-outline/hooks.jsx
@@ -242,7 +242,7 @@ const useCourseOutline = ({ courseId }) => {
   };
 
   const handleDismissNotification = () => {
-    dispatch(dismissNotificationQuery(notificationDismissUrl));
+    dispatch(dismissNotificationQuery(`${getConfig().STUDIO_BASE_URL}${notificationDismissUrl}`));
   };
 
   const handleSectionDragAndDrop = (