diff --git a/app/assets/javascripts/app/frontend/models/app/editor.js b/app/assets/javascripts/app/frontend/models/app/editor.js
index 49e84666d..00a09cc0f 100644
--- a/app/assets/javascripts/app/frontend/models/app/editor.js
+++ b/app/assets/javascripts/app/frontend/models/app/editor.js
@@ -5,6 +5,9 @@ class Editor extends Item {
     if(!this.notes) {
       this.notes = [];
     }
+    if(!this.data) {
+      this.data = {};
+    }
   }
 
   mapContentToLocalProperties(contentObject) {