diff --git a/inventories/z9/hosts.yaml b/inventories/z9/hosts.yaml
index 9d5bb09..9f4a692 100644
--- a/inventories/z9/hosts.yaml
+++ b/inventories/z9/hosts.yaml
@@ -4,7 +4,7 @@ all:
       ansible_host: authoritative-dns.z9.ccchh.net
       ansible_user: chaos
     dooris:
-      ansible_host: 10.31.208.201
+      ansible_host: dooris.z9.ccchh.net
       ansible_user: chaos
     light:
       ansible_host: light.z9.ccchh.net