diff --git a/src/devices/sound/sn76496.cpp b/src/devices/sound/sn76496.cpp
index 0c08ca0cb2e..87f1a95486e 100644
--- a/src/devices/sound/sn76496.cpp
+++ b/src/devices/sound/sn76496.cpp
@@ -267,6 +267,11 @@ void sn76496_base_device::device_start()
 	register_for_save_states();
 }
 
+void sn76496_base_device::device_clock_changed()
+{
+	m_sound->set_sample_rate(clock()/2);
+}
+
 WRITE8_MEMBER( sn76496_base_device::stereo_w )
 {
 	m_sound->update();
diff --git a/src/devices/sound/sn76496.h b/src/devices/sound/sn76496.h
index 0a129260e4d..b3d330e0c2c 100644
--- a/src/devices/sound/sn76496.h
+++ b/src/devices/sound/sn76496.h
@@ -48,6 +48,7 @@ protected:
 			uint32_t clock);
 
 	virtual void    device_start() override;
+	virtual void    device_clock_changed() override;
 	virtual void    sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override;
 
 private: