diff --git a/openedx/core/djangoapps/notifications/serializers.py b/openedx/core/djangoapps/notifications/serializers.py
index 80b1577b635..b5e22a36a68 100644
--- a/openedx/core/djangoapps/notifications/serializers.py
+++ b/openedx/core/djangoapps/notifications/serializers.py
@@ -202,6 +202,7 @@ class Meta:
             'content_context',
             'content',
             'content_url',
+            'course_id',
             'last_read',
             'last_seen',
             'created',