diff --git a/compose.yaml b/compose.yaml
index 38777a6..5ef6a66 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -11,7 +11,7 @@ services:
       SERVER_NAME: ${SERVER_NAME:-:80}
       APP_ENV: prod
       APP_SECRET: ${APP_SECRET}
-      APP_CONTACT_MAIL_ADDRESS: ${APP_CONTACT_MAIL_ADDRESS:-7system7@gmail.com
+      APP_CONTACT_MAIL_ADDRESS: ${APP_CONTACT_MAIL_ADDRESS:-7system7@gmail.com}
       DATABASE_URL: >-
         postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?serverVersion=${POSTGRES_VERSION}&charset=utf8
       POSTGRES_URL: db