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Diffstat (limited to 'src/mame/drivers/ac1.cpp')
-rw-r--r--src/mame/drivers/ac1.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/ac1.cpp b/src/mame/drivers/ac1.cpp
index d4d23f6f96d..ecb7cdda717 100644
--- a/src/mame/drivers/ac1.cpp
+++ b/src/mame/drivers/ac1.cpp
@@ -154,7 +154,7 @@ MACHINE_CONFIG_START(ac1_state::ac1)
MCFG_PALETTE_ADD_MONOCHROME("palette")
- MCFG_SPEAKER_STANDARD_MONO("mono")
+ SPEAKER(config, "mono").front_center();
MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)