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-rw-r--r--src/mame/drivers/bking.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/bking.cpp b/src/mame/drivers/bking.cpp
index 8f618f5096f..72e3195eef4 100644
--- a/src/mame/drivers/bking.cpp
+++ b/src/mame/drivers/bking.cpp
@@ -439,7 +439,8 @@ MACHINE_CONFIG_START(bking_state::bking)
MCFG_SOUND_ROUTE_EX(0, "dac", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac", -1.0, DAC_VREF_NEG_INPUT)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(bking_state::bking3, bking)
+MACHINE_CONFIG_START(bking_state::bking3)
+ bking(config);
/* basic machine hardware */
MCFG_CPU_MODIFY("main_cpu")