diff --git a/mail/docker-compose.yaml b/mail/docker-compose.yaml
index 72af09c..0ab64de 100644
--- a/mail/docker-compose.yaml
+++ b/mail/docker-compose.yaml
@@ -104,7 +104,7 @@ services:
       - mail
     labels:
       - "traefik.enable=true"
-      - "traefik.http.routers.roundcube.rule=Host(`webmail.steinle-computer.de`, 'mail.steinle-computer.de`)"
+      - "traefik.http.routers.roundcube.rule=Host(`webmail.steinle-computer.de`, `mail.steinle-computer.de`)"
       - "traefik.http.routers.roundcube.entrypoints=web"
       - "traefik.http.routers.roundcube.middlewares=roundcube"
       - "traefik.http.middlewares.roundcube.redirectscheme.scheme=https"