diff --git a/vendor.prop b/vendor.prop
index 8480dda..e6f842c 100644
--- a/vendor.prop
+++ b/vendor.prop
@@ -1,9 +1,11 @@
 
 # Audio
+persist.audio.hdmi.device=vc4hdmi0
 persist.audio.pcm.card=0
 persist.audio.pcm.device=0
 ro.config.media_vol_default=20
 ro.config.media_vol_steps=25
+ro.hardware.audio.primary=rpi
 
 # Bluetooth
 bluetooth.device.class_of_device=90,2,12