diff --git a/src/pixi/textures/RenderTexture.js b/src/pixi/textures/RenderTexture.js
index b5c4577..2eb8c35 100644
--- a/src/pixi/textures/RenderTexture.js
+++ b/src/pixi/textures/RenderTexture.js
@@ -239,7 +239,7 @@
 
     var wt = displayObject.worldTransform;
     wt.identity();
-    wt.append(matrix);
+    if(matrix)wt.append(matrix);
 
     // Time to update all the children of the displayObject with the new matrix..    
     var children = displayObject.children;