diff -r d5fb6baacbd0 -r 0ff47a9c5da2 cms/app-client/app/controllers/application.js
--- a/cms/app-client/app/controllers/application.js	Wed Jul 06 18:02:12 2016 +0200
+++ b/cms/app-client/app/controllers/application.js	Thu Jul 07 11:06:11 2016 +0200
@@ -43,7 +43,7 @@
     dateFilterObserver: Ember.observer('filter.date', function(sender, key) {
         key = key.split('.').pop();
         var intervals = [];
-        this.get('filter').get(key).forEach(function(date) {
+        this.get('filter').get('date').forEach(function(date) {
             var isInterval = false;
             intervals.forEach(function(interval) {
                 if(interval.length && (interval.includes(date + 1) || interval.includes(date - 1))) {
@@ -62,8 +62,8 @@
                intervals[index] =  interval.toString();
             }
         });
-        if(!this.arraysEqual(this.get(key).toArray(), intervals)) {
-            this.set(key, intervals);    
+        if(!this.arraysEqual(this.get('date').toArray(), intervals)) {
+            this.set('date', intervals);    
         }
     }),