Wordpressで用意した404.phpを表示させるためのnginx.confの設定

nginx_customized_404.conf

http {
  (略)
  server {
    (略)
     error_page 404 = @notfound;
     location @notfound {
      root (Apache httpdでDocumentRootとして設定していた値);
      include        fastcgi_params;
      fastcgi_index  index.php;
      fastcgi_param  SERVER_NAME      $host;
      fastcgi_param  SCRIPT_FILENAME  $document_root/index.php;
      fastcgi_param  QUERY_STRING     error=404;
      fastcgi_pass   php-fpm;
     }
    (略)
  }
  (略)
}