diff --git a/vendor.prop b/vendor.prop
index b5538c6..c7d01c1 100644
--- a/vendor.prop
+++ b/vendor.prop
@@ -1,7 +1,7 @@
 # Audio
+persist.audio.device=jack
 persist.audio.hdmi.device=vc4hdmi0
-persist.audio.pcm.card=0
-persist.audio.pcm.device=0
+persist.audio.pcm.card.auto=true
 ro.config.media_vol_default=20
 ro.config.media_vol_steps=25
 ro.hardware.audio.primary=rpi