diff -r 4d051f080e7e -r 9b703ece424f cms/app-client/app/serializers/theme.js
--- a/cms/app-client/app/serializers/theme.js	Tue Jun 07 12:18:53 2016 +0200
+++ b/cms/app-client/app/serializers/theme.js	Tue Jun 07 19:49:43 2016 +0200
@@ -2,7 +2,7 @@
 
 export default DS.JSONSerializer.extend({
 
-    normalizeResponse: function(store, primaryModelClass, payload, id, requestType) {
+    normalizeResponse: function(store, primaryModelClass, payload) {
         var data = [];
         Object.keys(payload).forEach(function(key) {
             data.push({