diff --git a/addon/index.js b/addon/index.js
index 7d3ab172..ce994af1 100644
--- a/addon/index.js
+++ b/addon/index.js
@@ -167,7 +167,7 @@ export class EmberChangeset extends BufferedChangeset {
 
     //Notitify deep
     deepNotifyPropertyChange(this, key);
-    deepNotifyPropertyChange(this[CHANGES], key);
+    notifyPropertyChange(this, 'changes');
   }
 
   /**