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-rw-r--r--src/mame/audio/m72.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/audio/m72.cpp b/src/mame/audio/m72.cpp
index a98cd163a49..0581361c649 100644
--- a/src/mame/audio/m72.cpp
+++ b/src/mame/audio/m72.cpp
@@ -51,7 +51,7 @@ DEFINE_DEVICE_TYPE(IREM_M72_AUDIO, m72_audio_device, "m72_audio", "Irem M72 Audi
m72_audio_device::m72_audio_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: device_t(mconfig, IREM_M72_AUDIO, tag, owner, clock)
- , device_rom_interface(mconfig, *this, 32) // unknown address bits
+ , device_rom_interface(mconfig, *this)
, m_sample_addr(0)
, m_dac(*this, finder_base::DUMMY_TAG)
{