diff --git a/src/pixi/textures/RenderTexture.js b/src/pixi/textures/RenderTexture.js
index 95bb4ca..bc5c7cb 100644
--- a/src/pixi/textures/RenderTexture.js
+++ b/src/pixi/textures/RenderTexture.js
@@ -321,16 +321,7 @@
 
         var tempCanvas = new PIXI.CanvasBuffer(width, height);
         var canvasData = tempCanvas.context.getImageData(0, 0, width, height);
-        var canvasPixels = canvasData.data;
-
-        for (var i = 0; i < webGLPixels.length; i+=4)
-        {
-            var alpha = webGLPixels[i+3];
-            canvasPixels[i] = webGLPixels[i] * alpha;
-            canvasPixels[i+1] = webGLPixels[i+1] * alpha;
-            canvasPixels[i+2] = webGLPixels[i+2] * alpha;
-            canvasPixels[i+3] = alpha;
-        }
+        canvasData.data.set(webGLPixels);
 
         tempCanvas.context.putImageData(canvasData, 0, 0);