diff --git a/src/mame/drivers/taitosj.c b/src/mame/drivers/taitosj.c
index 15d92e88f87..ff859e88a46 100644
--- a/src/mame/drivers/taitosj.c
+++ b/src/mame/drivers/taitosj.c
@@ -1883,6 +1883,8 @@ static MACHINE_DRIVER_START( mcu )
 
 	MDRV_CPU_ADD("mcu", M68705,3000000)      /* xtal is 3MHz, divided by 4 internally */
 	MDRV_CPU_PROGRAM_MAP(taitosj_mcu_map,0)
+
+	MDRV_INTERLEAVE(100)
 MACHINE_DRIVER_END