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-rw-r--r--src/devices/machine/8042kbdc.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/devices/machine/8042kbdc.cpp b/src/devices/machine/8042kbdc.cpp
index 2f1ca94f865..18338dd14d9 100644
--- a/src/devices/machine/8042kbdc.cpp
+++ b/src/devices/machine/8042kbdc.cpp
@@ -71,6 +71,7 @@ void kbdc8042_device::device_start()
m_sending = 0;
m_last_write_to_control = 0;
m_status_read_mode = 0;
+ m_speaker = 0;
m_update_timer = timer_alloc(TIMER_UPDATE);
m_update_timer->adjust(attotime::never);