Export a page in PDF makes profile picture macro too large

Steps to replicate

1. Install a fresh confluence 6.0.4/6.0.6/6.1.2
2. upload a profile picture
3. create a page with profile macro

   <p class="auto-cursor-target">
     <br/>
   </p>
   <table>
     <colgroup>
       <col/>
       <col/>
     </colgroup>
     <tbody>
       <tr>
         <th>column 1</th>
         <th>column 2</th>
       </tr>
       <tr>
         <td>
           <br/>
         </td>
         <td>
           <div class="content-wrapper">
             <p>
               <ac:structured-macro ac:macro-id="80d5beb0-c552-40a6-a6a4-cbcc42e6bad9" ac:name="profile-picture" ac:schema-version="1">
                 <ac:parameter ac:name="User">
                   <ri:user ri:userkey="4028465c518103a601518106ee2e0002"/>
                 </ac:parameter>
               </ac:structured-macro>
             </p>
           </div>
         </td>
       </tr>
     </tbody>
   </table>
   <p class="auto-cursor-target">
     <br/>
   </p>
   

4. set a hostname for your local ip (example: m.com 192.168.2.144)
5. change your confluence baseurl to the hostname, with the port : (m.com:8096)
6. export the page to pdf

Expected behavior:

Actual behavior:

Replicated on linux mint, windows 10, mysql

Workaround
Set to baseurl to direct ip, to bypass the proxy, and export