diff --git a/Dockerfile b/Dockerfile
index 4b29573..2ea9649 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -311,6 +311,7 @@ ENV           MOD_MDNS_NAME="Speakeasy"
 
 # Will default to "default"
 ENV           MOD_AUDIO_DEVICE=""
+ENV           MOD_AUDIO_OUTPUT=alsa
 ENV           MOD_AUDIO_MIXER=""
 ENV           MOD_AUDIO_MODE="stereo"
 ENV           MOD_AUDIO_VOLUME_DEFAULT="-20.0"
diff --git a/context/runtime/boot/config.sh b/context/runtime/boot/config.sh
index 708f137..789d65b 100644
--- a/context/runtime/boot/config.sh
+++ b/context/runtime/boot/config.sh
@@ -59,9 +59,6 @@ export SHAIRPORT_MQTT_PORT="${SHAIRPORT_MQTT_PORT:-1883}"
 
 # Useful for rpi4
 export SHAIRPORT_GENERAL_INTERPOLATION="${SHAIRPORT_GENERAL_INTERPOLATION:-basic}"
-# shellcheck disable=SC2034
-export SHAIRPORT_GENERAL_OUTPUT_BACKEND="alsa"
-# shellcheck disable=SC2034
 export SHAIRPORT_GENERAL_MDNS_BACKEND="avahi"
 # Just airplay 1
 export SHAIRPORT_GENERAL_UDP_PORT_BASE="6000"
diff --git a/context/runtime/boot/entrypoint.sh b/context/runtime/boot/entrypoint.sh
index b355f7d..f418d68 100755
--- a/context/runtime/boot/entrypoint.sh
+++ b/context/runtime/boot/entrypoint.sh
@@ -42,6 +42,7 @@ helpers::logger::log DEBUG "[entrypoint]" "Preparing configuration"
 # Connect specific env variables to shairport scheme
 export SHAIRPORT_GENERAL_NAME="$MOD_MDNS_NAME"
 export SHAIRPORT_GENERAL_PORT="${ADVANCED_PORT:-7000}"
+export SHAIRPORT_GENERAL_OUTPUT_BACKEND="${MOD_AUDIO_OUTPUT:-alsa}"
 # Useful for nightingale
 export SHAIRPORT_GENERAL_PLAYBACK_MODE="${MOD_AUDIO_MODE:-stereo}"
 # Useful for all