I'm using the latest version of Unpoly. My HTML structure is:

<aside></aside>
<main></main>

<button up-href="http://clevelandohioweatherforecast.com//pFad.php?u=http://github.com/delete/01/" up-confirm="Are you sure?" up-on-accepted="up.render({target: 'aside, main', response: event.response})" up-follow type="button">Delete</button>

When I click this button, it redirects to a different URL and only the main element is being updated but not the aside element.

What am I missing?