diff --git a/src/core/a-node.js b/src/core/a-node.js
index e80a41c9a88..6470684ef87 100644
--- a/src/core/a-node.js
+++ b/src/core/a-node.js
@@ -39,7 +39,7 @@ class ANode extends HTMLElement {
       document.addEventListener('DOMContentLoaded', this.connectedCallback.bind(this));
       return;
     }
-    this.doConnectedCallback();
+    ANode.prototype.doConnectedCallback.call(this);
   }
 
   doConnectedCallback () {