diff --git a/src/pixi/renderers/canvas/CanvasRenderer.js b/src/pixi/renderers/canvas/CanvasRenderer.js
index 358a140..b9378ad 100644
--- a/src/pixi/renderers/canvas/CanvasRenderer.js
+++ b/src/pixi/renderers/canvas/CanvasRenderer.js
@@ -23,7 +23,7 @@
     {
         for (var i in PIXI.defaultRenderOptions)
         {
-            options[i] = options[i] || PIXI.defaultRenderOptions[i];
+            if (!(i in options)) options[i] = PIXI.defaultRenderOptions[i];
         }
     }
     else