diff --git a/src/music/cocoa_m.h b/src/music/cocoa_m.h
--- a/src/music/cocoa_m.h
+++ b/src/music/cocoa_m.h
@@ -30,12 +30,10 @@ public:
 	/* virtual */ const char *GetName() const { return "cocoa"; }
 };
 
-class FMusicDriver_Cocoa: public MusicDriverFactory<FMusicDriver_Cocoa> {
+class FMusicDriver_Cocoa : public DriverFactoryBase {
 public:
-	static const int priority = 10;
-	/* virtual */ const char *GetName() { return "cocoa"; }
-	/* virtual */ const char *GetDescription() { return "Cocoa MIDI Driver"; }
-	/* virtual */ Driver *CreateInstance() { return new MusicDriver_Cocoa(); }
+	FMusicDriver_Cocoa() : DriverFactoryBase(Driver::DT_MUSIC, 10, "cocoa", "Cocoa MIDI Driver") {}
+	/* virtual */ Driver *CreateInstance() const { return new MusicDriver_Cocoa(); }
 };
 
 #endif /* MUSIC_MACOSX_COCOA_H */