Index: trunk/kernel/include/modules.php
===================================================================
diff -u -r3282 -r3330
--- trunk/kernel/include/modules.php	(.../modules.php)	(revision 3282)
+++ trunk/kernel/include/modules.php	(.../modules.php)	(revision 3330)
@@ -5,7 +5,7 @@
 
 $ado =& GetADODBConnection();
 $session_cookie_name = $ado->GetOne('SELECT VariableValue FROM '.$g_TablePrefix.'ConfigurationValues WHERE VariableName = "SessionCookieName"');
-define('SESSION_COOKIE_NAME', $session_cookie_name);
+define('SESSION_COOKIE_NAME', $session_cookie_name ? $session_cookie_name : 'sid');
 
 set_cookie('cookies_on', '1', adodb_mktime() + 31104000);