diff --git a/compose.yml b/compose.yml
index 60f803e..d3a1e40 100644
--- a/compose.yml
+++ b/compose.yml
@@ -316,7 +316,6 @@ services:
     image: coturn/coturn:4.6-alpine
     command:
       - "--external-ip=${EXTERNAL_IPv4}/${EXTERNAL_IPv4}"
-      - "--external-ip=${EXTERNAL_IPv6:-::1}/${EXTERNAL_IPv6:-::1}"
       - "--static-auth-secret=${TURN_SECRET}" # how to add docker secret here?
     volumes:
       - ${COTURN_TLS_CERT_PATH}:/tmp/cert.pem # how to use traefik for SSL here?