diff --git a/src/mame/drivers/onetwo.c b/src/mame/drivers/onetwo.c
index 3358bbe86b0..eb9c24bbaf1 100644
--- a/src/mame/drivers/onetwo.c
+++ b/src/mame/drivers/onetwo.c
@@ -183,7 +183,7 @@ static INPUT_PORTS_START( onetwo )
 	PORT_DIPNAME( 0x02, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:2")
 	PORT_DIPSETTING(    0x02, DEF_STR( Off ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( On ) )
-	PORT_DIPNAME( 0x04, 0x04, "Coin Chute" ) PORT_DIPLOCATION("SW2:3")
+	PORT_DIPNAME( 0x04, 0x00, "Coin Chute" ) PORT_DIPLOCATION("SW2:3")
 	PORT_DIPSETTING(    0x04, "Common" )
 	PORT_DIPSETTING(    0x00, "Separate" )
 	PORT_DIPNAME( 0x08, 0x08, "Nude Pictures" ) PORT_DIPLOCATION("SW2:4")