diff --git a/roles/docker/templates/compose-files/restic.yml.j2 b/roles/docker/templates/compose-files/restic.yml.j2
index 89027a3..b95a009 100644
--- a/roles/docker/templates/compose-files/restic.yml.j2
+++ b/roles/docker/templates/compose-files/restic.yml.j2
@@ -5,6 +5,8 @@ services:
   backup:
     image: mazzolino/restic:{{ services.restic.version }}
     restart: always
+    hostname: {{ inventory_hostname_short }}
+    domainname: {{ inventory_hostname }}
     environment:
       RUN_ON_STARTUP: false
       BACKUP_CRON: "0 30 3 * * *"