diff --git a/docker-compose.yml b/docker-compose.yml
index ee88d05..d3880f3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,9 +5,11 @@ services:
     image: lidarr-on-steroids
     build:
       context: .
+    environment:
+      - FLAC2CUSTOM_ARGS=-a "-vn -c:a libopus -b:a 64k" -e .opus -r '\.mp3$$'
     ports:
-      - "8686:8686"
-      - "6595:6595"
+      - "8686:8686" # Lidarr web UI
+      - "6595:6595" # Deemix web UI
     volumes:
       - ./config:/config
       - ./config_deemix:/config_deemix