diff --git a/src/pixi/DisplayObject.js b/src/pixi/DisplayObject.js
index c9146fa..fa15e81 100644
--- a/src/pixi/DisplayObject.js
+++ b/src/pixi/DisplayObject.js
@@ -84,7 +84,7 @@
 	// TODO OPTIMIZE THIS!! with dirty
 	if(this.rotation != this.rotationCache)
 	{
-		this.rotationCach = this.rotation;
+		this.rotationCache = this.rotation;
 		this._sr =  Math.sin(this.rotation);
 		this._cr =  Math.cos(this.rotation);
 	}	
@@ -103,4 +103,4 @@
 	// TODO optimize?
 	mat3.multiply(this.localTransform, this.parent.worldTransform, this.worldTransform);
 	this.worldAlpha = this.alpha * this.parent.worldAlpha;		
-}
\ No newline at end of file
+}