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-rw-r--r--src/mame/drivers/sg1000.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mame/drivers/sg1000.cpp b/src/mame/drivers/sg1000.cpp
index 70469438b20..42dd6a1bf0c 100644
--- a/src/mame/drivers/sg1000.cpp
+++ b/src/mame/drivers/sg1000.cpp
@@ -551,10 +551,11 @@ MACHINE_CONFIG_START(sg1000_state::sg1000)
MACHINE_CONFIG_END
/*-------------------------------------------------
- MACHINE_CONFIG_DERIVED( omv, sg1000 )
+ MACHINE_CONFIG_START( omv )
-------------------------------------------------*/
-MACHINE_CONFIG_DERIVED(sg1000_state::omv, sg1000)
+MACHINE_CONFIG_START(sg1000_state::omv)
+ sg1000(config);
MCFG_CPU_MODIFY(Z80_TAG)
MCFG_CPU_PROGRAM_MAP(omv_map)
MCFG_CPU_IO_MAP(omv_io_map)