diff --git a/src/osd/modules/sound/js_sound.cpp b/src/osd/modules/sound/js_sound.cpp
index 103a20b799c..bd95c79dd2e 100644
--- a/src/osd/modules/sound/js_sound.cpp
+++ b/src/osd/modules/sound/js_sound.cpp
@@ -25,7 +25,7 @@ public:
 	}
 	virtual ~sound_js() { }
 
-	virtual int init(const osd_options &options) { }
+	virtual int init(const osd_options &options) { return 0; }
 	virtual void exit() { }
 
 	// sound_module