diff --git a/configuration.nix b/configuration.nix
index 2946c5c..2677100 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -242,6 +242,7 @@
       php_fastcgi unix/${config.services.phpfpm.pools.nextcloud.socket} {
         root /zroot/nextcloud/data/
         capture_stderr
+        header_up Host {upstream_hostport}
       }
     '';
   };