diff --git a/src/mame/drivers/system1.c b/src/mame/drivers/system1.c
index 783152b64ae..6255ac422f5 100644
--- a/src/mame/drivers/system1.c
+++ b/src/mame/drivers/system1.c
@@ -1571,9 +1571,6 @@ static INPUT_PORTS_START( chplft )
 	PORT_START  /* IN0 */
 	IN0_PORT
 
-	PORT_START	  /* DSW0 */
-	DSW1_PORT
-
 	PORT_START  /* DSW1 */
 	PORT_DIPNAME( 0x01, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW B:1")
 	PORT_DIPSETTING(	0x00, DEF_STR( Upright ) )
@@ -1598,6 +1595,9 @@ static INPUT_PORTS_START( chplft )
 	PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unused ) ) PORT_DIPLOCATION("SW B:8")
 	PORT_DIPSETTING(	0x80, DEF_STR( Off ) )
 	PORT_DIPSETTING(	0x00, DEF_STR( On ) )
+
+	PORT_START	  /* DSW0 */
+	DSW1_PORT
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( 4dwarrio )