diff --git a/inc/auth.php b/inc/auth.php
index 5f61a8e707c1e7ce7e76631b1b5ccbda065fc040..e1d7a645a6e5f74520aa73fc6a87bc0469e30548 100644
--- a/inc/auth.php
+++ b/inc/auth.php
@@ -309,7 +309,7 @@ function auth_browseruid() {
  */
 function auth_cookiesalt($addsession = false, $secure = false) {
     if (defined('SIMPLE_TEST')) {
-        return '';
+        return 'test';
     }
     global $conf;
     $file = $conf['metadir'].'/_htcookiesalt';