diff --git a/inventories/z9/host_vars/dooris.yaml b/inventories/z9/host_vars/dooris.yaml
index 3f786aca..12b750b8 100644
--- a/inventories/z9/host_vars/dooris.yaml
+++ b/inventories/z9/host_vars/dooris.yaml
@@ -2,6 +2,6 @@ dooris__hostname: "dooris.ccchh.net"
 dooris__openid_client_id: "dooris"
 dooris__ccujack_user: "dooris"
 dooris__spaceapid_user: "dooris"
-dooris__main_lock: ~ # add "Hautpraum" once we have built it
+dooris__main_lock: "Hauptraum"
 
 certbot__acme_account_email_address: le-admin@hamburg.ccc.de