diff --git a/inventories/z9/host_vars/dooris.yaml b/inventories/z9/host_vars/dooris.yaml
index 1423192..90538ed 100644
--- a/inventories/z9/host_vars/dooris.yaml
+++ b/inventories/z9/host_vars/dooris.yaml
@@ -3,3 +3,4 @@ dooris__openid_client_id: "dooris"
 dooris__ccujack_user: "dooris"
 
 certbot__acme_account_email_address: le-admin@hamburg.ccc.de
+