Tablesorter IE11 and display:block

HTML

<script src="http://mottie.github.io/tablesorter/js/jquery.tablesorter.js"></script>
<b>Please, try with IE 11</b>
<p>
    When you delete the widthFixed : true, ti works
    
</p>

<table id="myTable" class="tablesorter"> 
<thead style="display:block"> 
<tr> 
    <th>Last Name</th> 
    <th>First Name</th> 
    <th>Email</th> 
    <th>Due</th> 
    <th>Web Site</th> 
</tr> 
</thead> 
<tbody style="display:block"> 
<tr> 
    <td>Smith</td> 
    <td>John</td> 
    <td>[email protected]</td> 
    <td>$50.00</td> 
    <td>http://www.jsmith.com</td> 
</tr> 
<tr> 
    <td>Bach</td> 
    <td>Frank</td> 
    <td>[email protected]</td> 
    <td>$50.00</td> 
    <td>http://www.frank.com</td> 
</tr> 
<tr> 
    <td>Doe</td> 
    <td>Jason</td> 
    <td>[email protected]</td> 
    <td>$100.00</td> 
    <td>http://www.jdoe.com</td> 
</tr> 
<tr> 
    <td>Conway</td> 
    <td>Tim</td> 
    <td>[email protected]</td> 
    <td>$50.00</td> 
    <td>http://www.timconway.com</td> 
</tr> 
</tbody> 
</table>

JavaScript

$("#myTable").tablesorter({
  widthFixed: true
});