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-rw-r--r--src/mame/audio/galaxian.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/audio/galaxian.h b/src/mame/audio/galaxian.h
index 4a84a2f9e66..58ae3e360c2 100644
--- a/src/mame/audio/galaxian.h
+++ b/src/mame/audio/galaxian.h
@@ -35,7 +35,7 @@ protected:
private:
// internal state
uint8_t m_lfo_val;
- discrete_device *m_discrete;
+ required_device<discrete_device> m_discrete;
};
DECLARE_DEVICE_TYPE(GALAXIAN, galaxian_sound_device)