issues with public link returned with safari

with the same object on stage using the public link button on the preview:

Chrome:http://nbm-staging.nuxeo.io/nuxeo/site/preview/apricot/c3d89e20-eb0e-4478-befb-08887f757816/?token=hfjkbyjlcg&sign=53a90f555842011044be117c3d834869ad1694cbe70b7666cef095452aac0fca

Safari: <script type="text/javascript">document.cookie = 'nuxeo.start.url.fragment=' + encodeURIComponent(window.location.hash.substring(1) || '') + '; path=/';window.location = 'https://nbm-staging.nuxeo.io/nuxeo/login.jsp?requestedUrl=site%2Fpublish%2Fpreview%2F139b56d1-8067-4bc8-9cb6-a8fa021fe1b5';</script>