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Diffstat (limited to 'src/mame/drivers/mrdo.cpp')
-rw-r--r--src/mame/drivers/mrdo.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/mrdo.cpp b/src/mame/drivers/mrdo.cpp
index 5da9f1374df..c88399719c0 100644
--- a/src/mame/drivers/mrdo.cpp
+++ b/src/mame/drivers/mrdo.cpp
@@ -190,7 +190,7 @@ MACHINE_CONFIG_START(mrdo_state::mrdo)
MCFG_PALETTE_INIT_OWNER(mrdo_state, mrdo)
/* sound hardware */
- MCFG_SPEAKER_STANDARD_MONO("mono")
+ SPEAKER(config, "mono").front_center();
MCFG_DEVICE_ADD("u8106_1", U8106, MAIN_CLOCK/2) /* sn76489-equivalent?, Verified */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)