diff --git a/src/mame/drivers/arkanoid.cpp b/src/mame/drivers/arkanoid.cpp
index 76b3e1ba545..55ec33a571c 100644
--- a/src/mame/drivers/arkanoid.cpp
+++ b/src/mame/drivers/arkanoid.cpp
@@ -1394,7 +1394,7 @@ static MACHINE_CONFIG_DERIVED( bootleg, arkanoid )
 MACHINE_CONFIG_END
 
 static MACHINE_CONFIG_DERIVED( aysnd, bootleg )
-	MCFG_SOUND_ADD("aysnd", AY8910, XTAL_12MHz/4)
+	MCFG_SOUND_REPLACE("aysnd", AY8910, XTAL_12MHz/4)
 	MCFG_AY8910_OUTPUT_TYPE(AY8910_SINGLE_OUTPUT)
 	MCFG_AY8910_PORT_A_READ_CB(IOPORT("UNUSED"))
 	MCFG_AY8910_PORT_B_READ_CB(IOPORT("DSW"))