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-rw-r--r--src/mame/drivers/pb1000.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/pb1000.cpp b/src/mame/drivers/pb1000.cpp
index 15edeeb37e9..6fb19150a29 100644
--- a/src/mame/drivers/pb1000.cpp
+++ b/src/mame/drivers/pb1000.cpp
@@ -516,7 +516,8 @@ MACHINE_CONFIG_START(pb1000_state::pb1000)
MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.00 )
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(pb1000_state::pb2000c, pb1000)
+MACHINE_CONFIG_START(pb1000_state::pb2000c)
+ pb1000(config);
/* basic machine hardware */
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(pb2000c_mem)