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-rw-r--r--src/mess/drivers/px4.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mess/drivers/px4.c b/src/mess/drivers/px4.c
index 4876eaa3203..6d013fe31c2 100644
--- a/src/mess/drivers/px4.c
+++ b/src/mess/drivers/px4.c
@@ -88,7 +88,7 @@ public:
required_device<ram_device> m_ram;
required_device<centronics_device> m_centronics;
required_device<cassette_image_device> m_ext_cas;
- required_device<device_t> m_speaker;
+ required_device<speaker_sound_device> m_speaker;
required_device<epson_sio_device> m_sio;
/* gapnit register */