diff --git a/src/game/typing/whac_a_mole/game.js b/src/game/typing/whac_a_mole/game.js
index be03d64..d77fc38 100644
--- a/src/game/typing/whac_a_mole/game.js
+++ b/src/game/typing/whac_a_mole/game.js
@@ -119,7 +119,7 @@ var WhacAMole = {
 			"whac a mole"	// callerClassName
 		);
 
-		game.input.keyboard.processKeyPress = (function() {
+		game.input.keyboard.processKeyPress = (function(event) {
 			if(self.isOnStage === false)
 				return;