diff --git a/docker-compose.yml b/docker-compose.yml
index 0fdf591..1f2f21e 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ services:
         image: maelgangloff/domain-watchdog:latest
         restart: unless-stopped
         environment:
-            SERVER_NAME: http://${SERVER_NAME:-localhost}
+            SERVER_NAME: ${SERVER_NAME:-:80}
             DATABASE_URL: postgresql://${POSTGRES_USER:-app}:${POSTGRES_PASSWORD:-!ChangeMe!}@${POSTGRES_HOST:-database}:${POSTGRES_PORT:-5432}/${POSTGRES_DB:-app}?serverVersion=${POSTGRES_VERSION:-15}&charset=${POSTGRES_CHARSET:-utf8}
             APP_SECRET: ${APP_SECRET:-ChangeMe}
             REGISTRATION_ENABLED: ${REGISTRATION_ENABLED:-true}