Query help

[SHAD]

can anyone please fix this query for me as it is supposed to update the forums avatar but it dosent do it.

function ForumSig() {

global $ir, $db, $userid, $h;

if (isset($_POST['NewFSig'])) {

$db->query(sprintf("UPDATE `users` SET `forums_avatar`='%s',

`forums_signature`='%s' WHERE `userid`='%d'", NoXSS($_POST['FPic']),

NoXSS($_POST['NewFSig']), $userid));

echo 'Forum Info Updated';

}

[SHAD]

OK Fixed it. :D