diff --git a/docker-compose.yml b/docker-compose.yml
index 41d618a..0cc4b29 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,7 +9,7 @@ services:
     container_name: wwebjs-api
     restart: always
     ports:
-      - "${PORT:-3000}:3000"
+      - "${PORT:-3000}:${PORT:-3000}"
     env_file: .env
     volumes:
       - ./sessions:/usr/src/app/sessions