diff --git a/photoprism.nix b/photoprism.nix
index 31ea6bf..973aa28 100644
--- a/photoprism.nix
+++ b/photoprism.nix
@@ -1,9 +1,11 @@
 { lib, modulesPath, pkgs, ... }:
 
+let port = 2342;
+in
 {
   services.photoprism = {
     enable = true;
-    port = 2342;
+    port = port;
     settings = {
       PHOTOPRISM_DEFAULT_LOCALE = "fr";
       PHOTOPRISM_ADMIN_USERNAME = "admin";
@@ -43,13 +45,8 @@
     forceSSL = true;
     serverAliases = [];
     locations."/" = {
-      proxyPass = "http://localhost:2342/";
+      proxyPass = "http://localhost:${toString port}/";
       proxyWebsockets = true;
-      extraConfig = ''
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header Host $host;
-        proxy_buffering off;
-      '';
     };
   };
 }