diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index 5733963..238b544 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -157,7 +157,7 @@
     // prevent adding self as child
     if (child === this)
     {
-        return;
+        return child;
     }
 
     if (index >= 0 && index <= this.children.length)