diff --git a/unit-files/u@.service b/unit-files/u@.service
index bead8bf1428d27639e57ae0af301daac0990d1a8..0d5f1192679b2d81602992ba856c69b136358908 100644
--- a/unit-files/u@.service
+++ b/unit-files/u@.service
@@ -16,7 +16,7 @@ EnvironmentFile=-/data/domains/%i/env
 Environment=HOSTNAME=%H
 WorkingDirectory=/data/domains/%i/
 ExecStartPre=-/opt/bin/docker-compose rm -f
-ExecStart=/bin/bash -euxc "VIRTUAL_HOST=%i,www.%i /opt/bin/docker-compose up"
+ExecStart=/bin/bash -euxc "LETSENCRYPT_HOST=%i VIRTUAL_HOST=%i,www.%i /opt/bin/docker-compose up"
 ExecStop=/opt/bin/docker-compose stop
 
 [Install]