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Diffstat (limited to 'src/mame/drivers/novagmcs48.cpp')
-rw-r--r--src/mame/drivers/novagmcs48.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/novagmcs48.cpp b/src/mame/drivers/novagmcs48.cpp
index ca61cebb8b3..3a1f2a95af3 100644
--- a/src/mame/drivers/novagmcs48.cpp
+++ b/src/mame/drivers/novagmcs48.cpp
@@ -162,7 +162,8 @@ MACHINE_CONFIG_START(novagmcs48_state::presto)
MCFG_SOUND_ROUTE_EX(0, "dac", 1.0, DAC_VREF_POS_INPUT)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(novagmcs48_state::octo, presto)
+MACHINE_CONFIG_START(novagmcs48_state::octo)
+ presto(config);
/* basic machine hardware */
MCFG_CPU_MODIFY("maincpu")