diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index 26d9e84..d6b9c52 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -131,6 +131,9 @@
 
         child.parent = this;
 
+        // ensure a transform will be recalculated..
+        this.transform._parentID = -1;
+
         this.children.push(child);
 
         // TODO - lets either do all callbacks or all events.. not both!
@@ -366,7 +369,7 @@
         return;
     }
 
-    this.transform = this.parent.transform.updateChildTransform(this.transform);
+    this.transform.updateTransform(this.parent.transform);
 
     //TODO: check render flags, how to process stuff here
     this.worldAlpha = this.alpha * this.parent.worldAlpha;