diff --git a/gui/default/syncthing/core/syncthingController.js b/gui/default/syncthing/core/syncthingController.js
index e35ad1d12..51fd73b9e 100755
--- a/gui/default/syncthing/core/syncthingController.js
+++ b/gui/default/syncthing/core/syncthingController.js
@@ -1517,7 +1517,7 @@ angular.module('syncthing.core')
                 // here as well...
                 $scope.devices = deviceMap($scope.config.devices);
 
-                $scope.saveConfig.then(function () {
+                $scope.saveConfig().then(function () {
                     if (themeChanged) {
                         document.location.reload(true);
                     }