diff --git a/coturn/docker-compose.yaml b/coturn/docker-compose.yaml
index 92510fc..ea4bf0d 100644
--- a/coturn/docker-compose.yaml
+++ b/coturn/docker-compose.yaml
@@ -3,6 +3,7 @@ services:
     container_name: coturn
     image: coturn/coturn:alpine
     restart: always
+    user: '666:666'
     network_mode: host
     command:
       - "--log-file=stdout"
@@ -14,5 +15,6 @@ services:
       - ./turnserver.conf:/etc/coturn/server.conf
       - ./coturn-docker-entrypoint.sh:/usr/local/bin/docker-entrypoint.sh
       - ./secrets.conf:/etc/coturn/secrets.conf
-      - ../turn-cert.pem:/etc/coturn/cert.pem
-      - ../turn-pkey.pem:/etc/coturn/pkey.pem
+      - /etc/letsencrypt/live/turn.viyurz.fr/fullchain.pem:/etc/coturn/cert.pem
+      # chown root:666 & chmod 640 on privkey file
+      - /etc/letsencrypt/live/turn.viyurz.fr/privkey.pem:/etc/coturn/pkey.pem