diff --git a/src/mame/drivers/scramble.c b/src/mame/drivers/scramble.c
index 08570bef0c2..eb290f761f2 100644
--- a/src/mame/drivers/scramble.c
+++ b/src/mame/drivers/scramble.c
@@ -1671,9 +1671,9 @@ static INPUT_PORTS_START( ad2083 )
 	PORT_DIPSETTING(    0x04, "150000" )
 	PORT_DIPSETTING(    0x08, "100000" )
 	PORT_DIPSETTING(    0x00, "200000" )
-	PORT_DIPNAME( 0x10, 0x00, DEF_STR( Unknown ) )
-	PORT_DIPSETTING(    0x00, DEF_STR( Off ) )
-	PORT_DIPSETTING(    0x10, DEF_STR( On ) )
+	PORT_DIPNAME( 0x10, 0x10, DEF_STR( Cabinet ) )
+	PORT_DIPSETTING(    0x10, DEF_STR( Upright ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( Cocktail ) )
 	PORT_DIPNAME( 0x20, 0x00, DEF_STR( Allow_Continue ) )
 	PORT_DIPSETTING(    0x20, DEF_STR( No ) )
 	PORT_DIPSETTING(    0x00, DEF_STR( Yes ) )