diff --git a/group_vars/nextcloud.yml b/group_vars/nextcloud.yml
index 7fd24a4..8e5416a 100644
--- a/group_vars/nextcloud.yml
+++ b/group_vars/nextcloud.yml
@@ -9,6 +9,7 @@ pg_hba_extra:
 nextcloud_trusted_proxies:
 - 127.0.0.1
 - ::1
+- '{{ lookup("dig", groups["public-web"][0]) }}'
 nextcloud_trusted_domains:
 - nextcloud.pyrocufflink.net
 - nextcloud.pyrocufflink.blue