diff --git a/src/mame/drivers/stv.cpp b/src/mame/drivers/stv.cpp
index 0f7046f2fdf..4b7fdc94020 100644
--- a/src/mame/drivers/stv.cpp
+++ b/src/mame/drivers/stv.cpp
@@ -1341,7 +1341,7 @@ static INPUT_PORTS_START( critcrsh )
 	PORT_BIT( 0x3f, 0x00, IPT_LIGHTGUN_X ) PORT_CROSSHAIR(X, 1.0, 0.0, 0) PORT_MINMAX(0,0x3f) PORT_SENSITIVITY(50) PORT_KEYDELTA(1) PORT_PLAYER(1)
 
 	PORT_START("LIGHTY")
-	PORT_BIT( 0x3f, 0x00, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_MINMAX(0x0,0x3f) PORT_SENSITIVITY(50) PORT_KEYDELTA(1) PORT_PLAYER(1)
+	PORT_BIT( 0x3f, 0x00, IPT_LIGHTGUN_Y ) PORT_CROSSHAIR(Y, 1.0, 0.0, 0) PORT_MINMAX(0x2,0x2e) PORT_SENSITIVITY(50) PORT_KEYDELTA(1) PORT_PLAYER(1)
 INPUT_PORTS_END
 
 /* Same as the regular one, but with an additional & optional mahjong panel */