-00 */12 * * * /usr/bin/certbot /srv/acme.openstreetmap.org/bin/renew
-30 */12 * * * /usr/bin/certbot /srv/acme.openstreetmap.org/bin/check-certificates
+00 */12 * * * letsencrypt /srv/acme.openstreetmap.org/bin/renew
+30 */12 * * * letsencrypt /srv/acme.openstreetmap.org/bin/check-certificates