diff --git a/src/mame/drivers/pitnrun.cpp b/src/mame/drivers/pitnrun.cpp
index 1b33f532e49..71c67b999c2 100644
--- a/src/mame/drivers/pitnrun.cpp
+++ b/src/mame/drivers/pitnrun.cpp
@@ -113,8 +113,8 @@ static ADDRESS_MAP_START( pitnrun_map, AS_PROGRAM, 8, pitnrun_state )
 	AM_RANGE(0xc805, 0xc805) AM_WRITE(h_heed_w)
 	AM_RANGE(0xc806, 0xc806) AM_WRITE(v_heed_w)
 	AM_RANGE(0xc807, 0xc807) AM_WRITE(ha_w)
-	AM_RANGE(0xd800, 0xd800) AM_READ(mcu_status_r)
 	AM_RANGE(0xd000, 0xd000) AM_READ(mcu_data_r)
+	AM_RANGE(0xd800, 0xd800) AM_READ(mcu_status_r)
 	AM_RANGE(0xf000, 0xf000) AM_READ(watchdog_reset_r)
 ADDRESS_MAP_END