diff --git a/src/core/display/Container.js b/src/core/display/Container.js
index 57b430f..76a9fdb 100644
--- a/src/core/display/Container.js
+++ b/src/core/display/Container.js
@@ -74,6 +74,10 @@
 
             child.parent = this;
 
+            // ensure a transform will be recalculated..
+ -          this.transform._parentID = -1;+
+            this._boundsID++;
+
             this.children.push(child);
 
             // TODO - lets either do all callbacks or all events.. not both!