diff --git a/CocosDenshion/iphone/SimpleAudioEngine.mm b/CocosDenshion/iphone/SimpleAudioEngine.mm
index d06728e0d2..dd387759c0 100644
--- a/CocosDenshion/iphone/SimpleAudioEngine.mm
+++ b/CocosDenshion/iphone/SimpleAudioEngine.mm
@@ -204,7 +204,7 @@ namespace CocosDenshion
 
 	float SimpleAudioEngine::getEffectsVolume()
 	{
-                return (int)static_getEffectsVolume();
+                return static_getEffectsVolume();
 	}
 
 	void SimpleAudioEngine::setEffectsVolume(float volume)