diff --git a/src/mame/drivers/turrett.cpp b/src/mame/drivers/turrett.cpp
index a37bf36cfe2..1dbb60575b4 100644
--- a/src/mame/drivers/turrett.cpp
+++ b/src/mame/drivers/turrett.cpp
@@ -125,7 +125,7 @@ static INPUT_PORTS_START( turrett )
 	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE )    PORT_CHANGED_MEMBER(DEVICE_SELF, turrett_state, ipt_change, (void *)0x00000800)
 	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_COIN1 )      PORT_CHANGED_MEMBER(DEVICE_SELF, turrett_state, ipt_change, (void *)0x00001000)
 	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN2 )      PORT_CHANGED_MEMBER(DEVICE_SELF, turrett_state, ipt_change, (void *)0x00002000)
-	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START )      PORT_CHANGED_MEMBER(DEVICE_SELF, turrett_state, ipt_change, (void *)0x00004000)
+	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )     PORT_CHANGED_MEMBER(DEVICE_SELF, turrett_state, ipt_change, (void *)0x00004000)
 	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )    PORT_CHANGED_MEMBER(DEVICE_SELF, turrett_state, ipt_change, (void *)0x00008000)
 
 	PORT_START("PORT DX")