diff --git a/src/core/display/TransformBase.js b/src/core/display/TransformBase.js
index ce2d2ef..79ea0cf 100644
--- a/src/core/display/TransformBase.js
+++ b/src/core/display/TransformBase.js
@@ -28,6 +28,7 @@
         this.localTransform = new Matrix();
 
         this._worldID = 0;
+        this._parentID = 0;
     }
 
     /**