diff --git a/admin/inc/accounts_sql.inc.php b/admin/inc/accounts_sql.inc.php
index d43f9f1f8e..c3731b01a6 100755
--- a/admin/inc/accounts_sql.inc.php
+++ b/admin/inc/accounts_sql.inc.php
@@ -109,7 +109,7 @@
   {
      global $phpgw_info, $phpgw;
   
-     $phpgw->db->lock(array('accounts','preferences','sessions'));
+     $phpgw->db->lock(array("accounts","preferences","phpgw_sessions"));
      
 //     $lid = $account_info["loginid"];