diff --git a/awx/ui/client/src/forms/Groups.js b/awx/ui/client/src/forms/Groups.js
index 06d717e532..85f5644df9 100644
--- a/awx/ui/client/src/forms/Groups.js
+++ b/awx/ui/client/src/forms/Groups.js
@@ -352,7 +352,7 @@ export default
                     if (GroupFormObject.related[itm].include === "NotificationsList") {
                         GroupFormObject.related[itm] = NotificationsList;
                         GroupFormObject.related[itm].generateList = true;
-                        GroupFormObject.related[itm].disabled = "source === undefined";
+                        GroupFormObject.related[itm].disabled = "source === undefined || source.value === ''";
                     }
                 }
                 return GroupFormObject;