diff --git a/docker-compose.yml b/docker-compose.yml
index a049aa90..8cc339e9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -82,6 +82,7 @@ services:
         - DBNAME=${DBNAME}
         - DBUSER=${DBUSER}
         - DBPASS=${DBPASS}
+        - TZ=${TZ}
       restart: always
       networks:
         mailcow-network: