diff --git a/configuration.nix b/configuration.nix
index f9a445d..656fc49 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -249,7 +249,7 @@
       php_fastcgi unix/${config.services.phpfpm.pools.nextcloud.socket} {
         root ${config.services.nextcloud.package}
         capture_stderr
-        header_up Host {upstream_hostport}
+        header_up Host {upstream.hostport}
       }
     '';
   };