diff --git a/static/js/pages/superuser.js b/static/js/pages/superuser.js
index 2f9e95d37..740481b81 100644
--- a/static/js/pages/superuser.js
+++ b/static/js/pages/superuser.js
@@ -129,7 +129,7 @@
         $scope.showInterface = true;
       }, function(resp) {
         $scope.users = [];
-        $scope.usersError = resp['data']['message'] || resp['data']['error_description'] || resp['data']['detail'];
+        $scope.usersError = ApiService.getErrorMessage(resp);
       });
     };
 
@@ -365,4 +365,4 @@
     // Load the initial status.
     $scope.checkStatus();
   }
-}());
\ No newline at end of file
+}());