diff --git a/docker-compose.yml b/docker-compose.yml
index 010c3e75..22ed0e4c 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -37,6 +37,7 @@ services:
       MONGODB_URI: mongodb://mongo/ohmyform
       MAILER_URI: smtp://mail:1025
       REDIS_URL: redis://redis
+      PORT: 5000
     links:
       - mongo
       - redis