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Diffstat (limited to 'src/mame/drivers/aci_ggm.cpp')
-rw-r--r--src/mame/drivers/aci_ggm.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/aci_ggm.cpp b/src/mame/drivers/aci_ggm.cpp
index 5814963e2c8..1c740817b8d 100644
--- a/src/mame/drivers/aci_ggm.cpp
+++ b/src/mame/drivers/aci_ggm.cpp
@@ -411,7 +411,7 @@ static INPUT_PORTS_START( ggm )
PORT_CONFSETTING( 0x03, "Steinitz" )
PORT_START("IN.6")
- PORT_BIT(0x0f, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_CUSTOM_MEMBER(DEVICE_SELF, ggm_state, overlay_r, nullptr)
+ PORT_BIT(0x0f, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_CUSTOM_MEMBER(ggm_state, overlay_r)
INPUT_PORTS_END