diff --git a/mailcow.yml b/mailcow.yml
index 707d630..eb26525 100644
--- a/mailcow.yml
+++ b/mailcow.yml
@@ -185,9 +185,8 @@
             fi
           fi
           # take letsencrypt-certs from traefik
-          . /home/docker/mailcow-dockerized/mailcow.conf
-          cat /home/docker/traefik/letsencrypt/acme.json  | jq -r ".letsencrypt.Certificates[] | select(.domain.main==\"$MAILCOW_HOSTNAME\") | .key" | base64 -d >/home/docker/mailcow-dockerized/data/assets/ssl/key.pem
-          cat /home/docker/traefik/letsencrypt/acme.json  | jq -r ".letsencrypt.Certificates[] | select(.domain.main==\"$MAILCOW_HOSTNAME\") | .certificate" | base64 -d >/home/docker/mailcow-dockerized/data/assets/ssl/cert.pem
+          cat /home/docker/traefik/letsencrypt/acme.json  | jq -r ".letsencrypt.Certificates[] | select(.domain.main==\"mail.{{inventory_hostname}}\") | .key" | base64 -d >/home/docker/mailcow-dockerized/data/assets/ssl/key.pem
+          cat /home/docker/traefik/letsencrypt/acme.json  | jq -r ".letsencrypt.Certificates[] | select(.domain.main==\"mail.{{inventory_hostname}}\") | .certificate" | base64 -d >/home/docker/mailcow-dockerized/data/assets/ssl/cert.pem
           docker restart $(docker ps -qaf name=postfix-mailcow)
           docker restart $(docker ps -qaf name=dovecot-mailcow)
         backup: yes