diff --git a/src/mame/drivers/arabian.c b/src/mame/drivers/arabian.c
index fdf407613b5..03552384005 100644
--- a/src/mame/drivers/arabian.c
+++ b/src/mame/drivers/arabian.c
@@ -373,6 +373,8 @@ static MACHINE_CONFIG_START( arabian, arabian_state )
 	MCFG_CPU_ADD("mcu", MB8841, MAIN_OSC/3/2)
 	MCFG_CPU_IO_MAP(mcu_io_map)
 
+	MCFG_QUANTUM_TIME(HZ(6000))
+
 	MCFG_MACHINE_START(arabian)
 	MCFG_MACHINE_RESET(arabian)