diff --git a/public/js/controllers/groupsCtrl.js b/public/js/controllers/groupsCtrl.js
index 8264dfe905..b2d6a6376c 100644
--- a/public/js/controllers/groupsCtrl.js
+++ b/public/js/controllers/groupsCtrl.js
@@ -185,6 +185,7 @@ habitrpg.controller("GroupsCtrl", ['$scope', '$rootScope', 'Groups', '$http', 'A
       'level': 'Sort by Level',
       'random': 'Sort randomly',
       'pets': 'Sort by number of pets',
+      'party_date_joined': 'Sort by Party date joined',
     };
 
   }])