diff --git a/auth.php b/auth.php
index f69c6c3..ed7db2e 100755
--- a/auth.php
+++ b/auth.php
@@ -39,7 +39,7 @@ if ($force_login) {
 
 $user = new uUser();
 $user->getFromSession();
-if (!$user->isValid && (uConfig::$require_authentication || defined('headless'))) {
+if (!$user->isValid && (uConfig::$require_authentication || defined('client'))) {
   /* authentication */
   $login = (isset($_REQUEST['user']) ? $_REQUEST['user'] : NULL);
   $pass = (isset($_REQUEST['pass']) ? $_REQUEST['pass'] : NULL);
diff --git a/client/index.php b/client/index.php
index 342a7ce..dba02d4 100644
--- a/client/index.php
+++ b/client/index.php
@@ -29,6 +29,7 @@ function setError(&$response, $message) {
 }
 
 define("headless", true);
+define("client", true);
 require_once(dirname(__DIR__) . "/auth.php"); // sets $user
 
 $action = isset($_REQUEST['action']) ? $_REQUEST['action'] : null;