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Diffstat (limited to 'src/mame/drivers/ngp.cpp')
-rw-r--r--src/mame/drivers/ngp.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/ngp.cpp b/src/mame/drivers/ngp.cpp
index 270a990462d..5170c52171f 100644
--- a/src/mame/drivers/ngp.cpp
+++ b/src/mame/drivers/ngp.cpp
@@ -629,7 +629,7 @@ static INPUT_PORTS_START(ngp)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("Power")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_POWER_ON) PORT_CHANGED_MEMBER(DEVICE_SELF, ngp_state, power_callback, nullptr)
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_POWER_ON) PORT_CHANGED_MEMBER(DEVICE_SELF, ngp_state, power_callback, 0)
INPUT_PORTS_END