diff --git a/src/mame/drivers/deco32.c b/src/mame/drivers/deco32.c
index dde7f5555f4..d9626430961 100644
--- a/src/mame/drivers/deco32.c
+++ b/src/mame/drivers/deco32.c
@@ -2162,6 +2162,8 @@ static MACHINE_DRIVER_START( nslasher )
 	MDRV_CPU_PROGRAM_MAP(nslasher_sound,0)
 	MDRV_CPU_IO_MAP(nslasher_io_sound,0)
 
+	MDRV_QUANTUM_TIME(HZ(6000))	/* to improve main<->audio comms */
+
 	MDRV_NVRAM_HANDLER(93C46)
 
 	/* video hardware */