diff --git a/login/index.php b/login/index.php
index 2170fdfcb4..d5069b42ec 100644
--- a/login/index.php
+++ b/login/index.php
@@ -13,9 +13,9 @@ function login($args) {
     global $dbhost,$dbuser,$dbpasswd,$dbname;
     global $grid_owner, $gridserver_sendkey, $gridserver_recvkey, $gridserver_url;
     
-    $firstname=$args['first'];
-    $lastname=$args['last'];
-    $passwd=$args['passwd'];
+    $firstname=add_slashes($args['first']);
+    $lastname=add_slashes($args['last']);
+    $passwd=add_slashes($args['passwd']);
 
     $link = mysql_connect($dbhost,$dbuser,$dbpasswd)
      OR die("Unable to connect to database");