diff --git a/src/mame/drivers/galdrvr.c b/src/mame/drivers/galdrvr.c
index 877698e5bc8..4cdcf6c5338 100644
--- a/src/mame/drivers/galdrvr.c
+++ b/src/mame/drivers/galdrvr.c
@@ -1199,6 +1199,11 @@ static INPUT_PORTS_START( kingball )
 
 	PORT_MODIFY("IN1")
 	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM(kingball_noise_r, NULL)	/* NOISE line */
+	PORT_DIPNAME( 0xc0, 0x40, DEF_STR( Coinage ) )
+	PORT_DIPSETTING(    0xc0, DEF_STR( 2C_1C ) )
+	PORT_DIPSETTING(    0x40, DEF_STR( 1C_1C ) )
+	PORT_DIPSETTING(    0x80, DEF_STR( 1C_2C ) )
+	PORT_DIPSETTING(    0x00, DEF_STR( Free_Play ) )
 
 	PORT_MODIFY("IN2")
 	PORT_DIPNAME( 0x03, 0x00, DEF_STR( Bonus_Life ) )