diff --git a/src/mame/drivers/meritm.c b/src/mame/drivers/meritm.c
index 0110631578c..a915ceee8a5 100644
--- a/src/mame/drivers/meritm.c
+++ b/src/mame/drivers/meritm.c
@@ -769,7 +769,7 @@ static INPUT_PORTS_START(meritm_crt250)
 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_POKER_HOLD4 )
 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_POKER_HOLD5 )
 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_GAMBLE_DEAL ) PORT_NAME("Play")
-	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_GAMBLE_DEAL ) PORT_NAME("Raise")
+	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_GAMBLE_BET ) PORT_NAME("Raise")
 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
 
 	PORT_START("PIO1_PORTB")