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-rw-r--r--src/mame/audio/segag80r.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/audio/segag80r.cpp b/src/mame/audio/segag80r.cpp
index a70416615b1..12cc48e6b40 100644
--- a/src/mame/audio/segag80r.cpp
+++ b/src/mame/audio/segag80r.cpp
@@ -704,7 +704,7 @@ MACHINE_CONFIG_START(monsterb_sound_device::device_add_mconfig)
MCFG_MCS48_PORT_PROG_OUT_CB(WRITELINE(m_i8243, i8243_device, prog_w))
MCFG_DEVICE_ADD(m_i8243, I8243, 0)
- MCFG_I8243_READHANDLER(NOOP)
+ MCFG_I8243_READHANDLER(CONSTANT(0))
MCFG_I8243_WRITEHANDLER(WRITE8(*this, monsterb_sound_device, n7751_rom_control_w))
MCFG_DEVICE_ADD(m_samples, SAMPLES)