diff --git a/application/default/controllers/AccountController.php b/application/default/controllers/AccountController.php
index 1e6e11d0..7a2f0235 100755
--- a/application/default/controllers/AccountController.php
+++ b/application/default/controllers/AccountController.php
@@ -172,7 +172,7 @@ class AccountController extends Zend_Controller_Action
       	// success: store database row to auth's storage   	
          $data = $authAdapter->getResultRowObject(null,'password');
          $auth->getStorage()->write($data); 
-         $db->query("update users set ts_last_login=now() where username=?",array($u));
+         $db->query($db->quoteInto("update users set ts_last_login=now() where username=?",$u));
          
       	 if ($this->_request->getParam('remember')) {
       	 	$sql="select usertype from users where username='$u'";