diff --git a/src/editor/model/Editor.js b/src/editor/model/Editor.js
index a037ea58d..776fa9940 100644
--- a/src/editor/model/Editor.js
+++ b/src/editor/model/Editor.js
@@ -490,7 +490,7 @@ export default Backbone.Model.extend({
    * @returns {String}
    */
   getState() {
-    return this.get('state');
+    return this.get('state') || '';
   },
 
   /**