diff --git a/public/js/controllers/groupsCtrl.js b/public/js/controllers/groupsCtrl.js
index e43742bbde..c911b1e2f2 100644
--- a/public/js/controllers/groupsCtrl.js
+++ b/public/js/controllers/groupsCtrl.js
@@ -111,7 +111,7 @@ habitrpg.controller("GroupsCtrl", ['$scope', '$rootScope', 'Shared', 'Groups', '
   .controller("MemberModalCtrl", ['$scope', '$rootScope', 'Members', 'Shared', '$http', 'Notification', 'Groups',
     function($scope, $rootScope, Members, Shared, $http, Notification, Groups) {
       $scope.timestamp = function(timestamp){
-        return moment(timestamp).format(User.user.preferences.dateFormat.toUpperCase());
+        return moment(timestamp).format($rootScope.User.user.preferences.dateFormat.toUpperCase());
       }
       // We watch Members.selectedMember because it's asynchronously set, so would be a hassle to handle updates here
       $scope.$watch( function() { return Members.selectedMember; }, function (member) {