diff --git a/src/mame/drivers/dkong.c b/src/mame/drivers/dkong.c
index e389b2e808a..b262d439b53 100644
--- a/src/mame/drivers/dkong.c
+++ b/src/mame/drivers/dkong.c
@@ -1086,8 +1086,8 @@ static INPUT_PORTS_START( dkong3 )
 	PORT_DIPSETTING(    0x05, DEF_STR( 1C_5C ) )
 	PORT_DIPSETTING(    0x07, DEF_STR( 1C_6C ) )
 	PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x00, "SW2:!4" )
-	PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x00, "SW2:!5" )
-	PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x00, "SW2:!6" )
+	PORT_DIPUNKNOWN_DIPLOC( 0x10, 0x00, "SW2:!5" )
+	PORT_DIPUNKNOWN_DIPLOC( 0x20, 0x00, "SW2:!6" )
 	PORT_SERVICE_DIPLOC( 0x40, IP_ACTIVE_HIGH, "SW2:!7" )
 	PORT_DIPNAME( 0x80, 0x00, DEF_STR( Cabinet ) )			PORT_DIPLOCATION("SW2:!8")
 	PORT_DIPSETTING(    0x00, DEF_STR( Upright ) )