diff --git a/src/mame/drivers/taito_b.cpp b/src/mame/drivers/taito_b.cpp
index 8a4f7fef327..9896bee5e87 100644
--- a/src/mame/drivers/taito_b.cpp
+++ b/src/mame/drivers/taito_b.cpp
@@ -1587,8 +1587,8 @@ static INPUT_PORTS_START( sbm )
 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(2)//LADY ????
 
 	PORT_START("START")
-	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 )//select; ok (1P in object test)
-	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 )//start ; ok (2P in object test)
+	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START1 ) PORT_NAME("Select")//select; ok (1P in object test)
+	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START2 ) PORT_NAME("Start")//start ; ok (2P in object test)
 	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_UNKNOWN )
 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNKNOWN )
 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )