diff --git a/website/client-old/js/services/userServices.js b/website/client-old/js/services/userServices.js
index e306e0f3b9..ab41a596e2 100644
--- a/website/client-old/js/services/userServices.js
+++ b/website/client-old/js/services/userServices.js
@@ -254,7 +254,7 @@ angular.module('habitrpg')
               Notification.crit(critBonus);
             }
 
-            if (quest && user.party.quest) {
+            if (quest && user.party.quest && user.party.quest.key) {
               var userQuest = Content.quests[user.party.quest.key];
               if (quest.progressDelta && userQuest.boss) {
                 Notification.quest('questDamage', quest.progressDelta.toFixed(1));