diff --git a/src/mame/drivers/rohga.c b/src/mame/drivers/rohga.c
index 7bdccf7d50b..31c3502f16e 100644
--- a/src/mame/drivers/rohga.c
+++ b/src/mame/drivers/rohga.c
@@ -657,9 +657,9 @@ static INPUT_PORTS_START( schmeisr )
 	PORT_DIPNAME( 0x0200, 0x0200, DEF_STR( Unknown ) )
 	PORT_DIPSETTING(      0x0200, DEF_STR( Off ) )
 	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0400, 0x0000, DEF_STR( Demo_Sounds ) )
-	PORT_DIPSETTING(      0x0400, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
+	PORT_DIPNAME( 0x0400, 0x0400, DEF_STR( Demo_Sounds ) )
+	PORT_DIPSETTING(      0x0000, DEF_STR( Off ) )
+	PORT_DIPSETTING(      0x0400, DEF_STR( On ) )
 	PORT_DIPNAME( 0x0800, 0x0800, DEF_STR( Unknown ) )
 	PORT_DIPSETTING(      0x0800, DEF_STR( Off ) )
 	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )