inputmask vs bootstrap-datepicker

Applying inputMask over a datepicker input (simple or component), freezes the page/app when input field receives focus (onEnter?).

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<script src="http://admin.web2rep.com/js/lib/bootstrap-datepicker.js"></script>
<link rel="stylesheet" href="http://admin.web2rep.com/css/datepicker.css">
<div class="input-append date datepicker">
    <input type="text"/> <span class="add-on"><i class="icon-th"></i></span>
</div>

JavaScript

$('.datepicker').datepicker({
    format: 'dd/mm/yyyy',
    autoclose: true
});