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-rw-r--r--src/mame/drivers/gkigt.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/gkigt.cpp b/src/mame/drivers/gkigt.cpp
index cce62f3143d..2009ed09ca4 100644
--- a/src/mame/drivers/gkigt.cpp
+++ b/src/mame/drivers/gkigt.cpp
@@ -642,7 +642,8 @@ MACHINE_CONFIG_START(igt_gameking_state::igt_gameking)
MCFG_NVRAM_ADD_1FILL("nvram")
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(igt_gameking_state::igt_ms72c, igt_gameking)
+MACHINE_CONFIG_START(igt_gameking_state::igt_ms72c)
+ igt_gameking(config);
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(igt_ms72c_map)
MACHINE_CONFIG_END