(I'm guessing you already made sure the backlink has rel="me" in it?)
One workaround could be to disable the tools, click "save changes" to trigger the checking, then switch the tools back on again.
As far as I know, it only checks at the moment you click save changes.
 
      switching.social
switching.social All Bobinas P4G content and data are available under the
 All Bobinas P4G content and data are available under the