diff --git a/examples/example 14 - Masking/index.html b/examples/example 14 - Masking/index.html
index 3dc625f..53746b0 100644
--- a/examples/example 14 - Masking/index.html
+++ b/examples/example 14 - Masking/index.html
@@ -83,7 +83,7 @@
 
 	stage.click = stage.tap = function()
 	{
-		if(!container.filter)
+		if(!container.mask)
 		{
 			container.mask = thing;
 			PIXI.runList(stage);