diff --git a/binding-mri/audio-binding.cpp b/binding-mri/audio-binding.cpp
index 1b51ef7..43d19d8 100644
--- a/binding-mri/audio-binding.cpp
+++ b/binding-mri/audio-binding.cpp
@@ -48,7 +48,7 @@ RB_METHOD(audio_##entity##Fade) \
 	RB_UNUSED_PARAM; \
 	int time; \
 	rb_get_args(argc, argv, "i", &time, RB_ARG_END); \
-	shState->audio().bgmFade(time); \
+	shState->audio().entity##Fade(time); \
 	return Qnil; \
 }