diff --git a/src/mame/misc/nabupc_kbd.cpp b/src/mame/misc/nabupc_kbd.cpp
index 8fc1090e23c..e67f4c6e0bf 100644
--- a/src/mame/misc/nabupc_kbd.cpp
+++ b/src/mame/misc/nabupc_kbd.cpp
@@ -189,21 +189,21 @@ INPUT_PORTS_START( keyboard_ports )
 
 	// Analog Paddles
 	PORT_START("PADDLE1")
-	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(1) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 9
+	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(1) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) // pin 9
 	PORT_START("PADDLE2")
-	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(2) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 5
+	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(2) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) // pin 5
 	PORT_START("PADDLE3")
-	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(3) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 9
+	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(3) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) // pin 9
 	PORT_START("PADDLE4")
-	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(4) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 5
+	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(4) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) // pin 5
 	PORT_START("PADDLE5")
-	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(5) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 9
+	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(5) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) // pin 9
 	PORT_START("PADDLE6")
-	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(6) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 5
+	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(6) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) // pin 5
 	PORT_START("PADDLE7")
-	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(7) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 9
+	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(7) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) // pin 9
 	PORT_START("PADDLE8")
-	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(8) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 5
+	PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(8) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) // pin 5
 INPUT_PORTS_END
 
 } // anonymous namespace