diff --git a/userspace/usr/comma/sound/sound_init.sh b/userspace/usr/comma/sound/sound_init.sh
index 97bc748..a0c3684 100755
--- a/userspace/usr/comma/sound/sound_init.sh
+++ b/userspace/usr/comma/sound/sound_init.sh
@@ -17,8 +17,12 @@ done
 echo "tinymix controls ready"
 
 /usr/comma/sound/tinymix set "SEC_MI2S_RX Audio Mixer MultiMedia1" 1
-/usr/comma/sound/tinymix set "MultiMedia1 Mixer TERT_MI2S_TX" 1
-/usr/comma/sound/tinymix set "TERT_MI2S_TX Channels" Two
+if grep -q mici /sys/firmware/devicetree/base/model; then
+  /usr/comma/sound/tinymix set "MultiMedia1 Mixer SEC_MI2S_TX" 1
+else
+  /usr/comma/sound/tinymix set "MultiMedia1 Mixer TERT_MI2S_TX" 1
+  /usr/comma/sound/tinymix set "TERT_MI2S_TX Channels" Two
+fi
 
 # setup the amplifier registers
 /usr/local/venv/bin/python /usr/comma/sound/amplifier.py