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-rw-r--r--src/devices/machine/terminal.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/machine/terminal.h b/src/devices/machine/terminal.h
index 67d24a74b72..b23306ab810 100644
--- a/src/devices/machine/terminal.h
+++ b/src/devices/machine/terminal.h
@@ -53,7 +53,7 @@ protected:
virtual void device_start() override;
virtual void device_reset() override;
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
- virtual void send_key(uint8_t code) { assert(!m_keyboard_cb.isnull()); m_keyboard_cb(code); }
+ virtual void send_key(uint8_t code) { if (!m_keyboard_cb.isnull()) m_keyboard_cb(code); }
optional_device<palette_device> m_palette;
required_ioport m_io_term_conf;