diff --git a/lib/canvas.js b/lib/canvas.js
index 9791515..8ee2b2a 100644
--- a/lib/canvas.js
+++ b/lib/canvas.js
@@ -13,7 +13,7 @@ var canvas = require('../build/default/canvas')
   , Canvas = canvas.Canvas
   , Image = canvas.Image
   , cairoVersion = canvas.cairoVersion
-  , PixelArray = Canvas.PixelArray
+  , PixelArray = canvas.PixelArray
   , Context2d = require('./context2d')
   , PNGStream = require('./pngstream')
   , fs = require('fs');