diff --git a/src/mame/drivers/midzeus.cpp b/src/mame/drivers/midzeus.cpp
index a8eb9a68f72..7e98449389b 100644
--- a/src/mame/drivers/midzeus.cpp
+++ b/src/mame/drivers/midzeus.cpp
@@ -715,27 +715,27 @@ static INPUT_PORTS_START( mk4 )
 	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN  ) PORT_PLAYER(1) PORT_8WAY
 	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT  ) PORT_PLAYER(1) PORT_8WAY
 	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_8WAY
-	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
-	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
-	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
+	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 High Punch")
+	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("P1 Block")
+	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 High Kick")
 	PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_UNUSED )
 	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP    ) PORT_PLAYER(2) PORT_8WAY
 	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN  ) PORT_PLAYER(2) PORT_8WAY
 	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT  ) PORT_PLAYER(2) PORT_8WAY
 	PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) PORT_8WAY
-	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
-	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
-	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+	PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2) PORT_NAME("P2 High Punch")
+	PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2) PORT_NAME("P2 Block")
+	PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) PORT_NAME("P2 High Kick")
 	PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_UNUSED )
 
 	PORT_START("IN2")
-	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1)
-	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1)
-	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1)
+	PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(1) PORT_NAME("P1 Low Punch")
+	PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_NAME("P1 Low Kick")
+	PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(1) PORT_NAME("P1 Run")
 	PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED )
-	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2)
-	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2)
-	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2)
+	PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_PLAYER(2) PORT_NAME("P2 Low Punch")
+	PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_PLAYER(2) PORT_NAME("P2 Low Kick")
+	PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_PLAYER(2) PORT_NAME("P2 Run")
 	PORT_BIT( 0xff80, IP_ACTIVE_LOW, IPT_UNUSED )
 INPUT_PORTS_END