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Diffstat (limited to 'src/mame/drivers/mpu12wbk.cpp')
-rw-r--r--src/mame/drivers/mpu12wbk.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/mpu12wbk.cpp b/src/mame/drivers/mpu12wbk.cpp
index 2630c7622ed..32904657a57 100644
--- a/src/mame/drivers/mpu12wbk.cpp
+++ b/src/mame/drivers/mpu12wbk.cpp
@@ -513,7 +513,7 @@ MACHINE_CONFIG_START(mpu12wbk_state::mpu12wbk)
MCFG_MC6845_OUT_VSYNC_CB(INPUTLINE("maincpu", INPUT_LINE_NMI))
/* sound hardware */
- MCFG_SPEAKER_STANDARD_MONO("mono")
+ SPEAKER(config, "mono").front_center();
MCFG_DEVICE_ADD("ay8910", AY8910, MASTER_CLOCK/8) /* guess */
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)