diff --git a/forsaken-mail/docker-compose.yml b/forsaken-mail/docker-compose.yml
index 64cf794..a6dd87b 100644
--- a/forsaken-mail/docker-compose.yml
+++ b/forsaken-mail/docker-compose.yml
@@ -4,7 +4,7 @@ services:
     image: stilleshan/forsaken-mail
     container_name: forsaken-mail
     ports:
-      - 25:25
+      - "25:25"
       - 3000:3000
     restart: always