diff --git a/services/notifications/app/js/Notifications.js b/services/notifications/app/js/Notifications.js
index 47b3b940db..c6ecf5d9eb 100644
--- a/services/notifications/app/js/Notifications.js
+++ b/services/notifications/app/js/Notifications.js
@@ -87,7 +87,7 @@ module.exports = Notifications = {
       }
       return db.notifications.update(
         { user_id: doc.user_id, key: notification.key },
-        { $set : doc },
+        { $set : { ...doc } },
         { upsert: true },
         callback
       )