diff --git a/include/lassospkit_session_file.inc.php b/include/lassospkit_session_file.inc.php
index 2a3ad59..aeb52d8 100644
--- a/include/lassospkit_session_file.inc.php
+++ b/include/lassospkit_session_file.inc.php
@@ -6,6 +6,7 @@ require_once('lassospkit_debug.inc.php');
 
 class LassoSPKitSessionFile {
     function setcookie($session, $timeout) {
+        $LassoSPKitSessionFile_cookiename = 'lassospkit_file_' . LassoSPKitConfig::get('cookiename');
         static $done = 0;
         if ($done == 0) {
             $done = 1;