jquery parentsUntil bug

<!DOCTYPE html>

<html>

<head>
<title>$.parentsUntil</title>
<script src="http://code.jquery.com/jquery-1.6.4.min.js"></script>
<script>
$(function() {
    $('#awol').bind('click', function() {
        $(this).parentsUntil('.foo').css('background-color','yellow');
    });
});
</script>
</head>

<body>
<div class="foo" style="background-color: red; width: 100px; height: 100px; padding: 10px;">
    <div class="dummy">
        <div class="fooBar" style="background-color: green; width: 80px; height: 80px; padding: 10px;">
            <div class="dummy">
                <div id="awol" style="background-color: blue; width: 60px; height: 60px; padding: 10px;"></div>
            </div>
        </div>
    </div>
</div>
</body>

</html>