diff --git a/userspace/root/usr/comma/comma-init.sh b/userspace/root/usr/comma/comma-init.sh
index 9553dfa..0708bb8 100755
--- a/userspace/root/usr/comma/comma-init.sh
+++ b/userspace/root/usr/comma/comma-init.sh
@@ -211,6 +211,8 @@ function init_sound (
   await grep -qs "^ONLINE$" /proc/asound/card0/state
   echo "sound card online"
 
+  find /dev/snd -maxdepth 1 -type c -exec chgrp audio {} + -exec chmod 0660 {} +
+
   await /usr/comma/sound/tinymix set "SEC_MI2S_RX Audio Mixer MultiMedia1" 1
   echo "tinymix controls ready"