title: Deploy an app to heroku fail because of key not authorized
body: <p>When I am executing :</p>
  <pre><code> git push heroku master
  </code></pre>
  <p>I got the following:</p>
  <pre><code>ubuntu@ip-172-31-0-92:~/node-js-sample$ git push heroku master
  
   !  Your key with fingerprint XXXXXXXXXX is not authorized to access radiant-ocean-5431.
  </code></pre>
  <p>I have only one ssh-key registered on my heroku account, and only one app.</p>
  <pre><code>ubuntu@ip-172-31-37-201:~/node-js-sample$ heroku apps
  === My Apps
  radiant-ocean-5431
  thawing-bayou-7424
  </code></pre>
  <p>This is what <code>ssh-add -l</code> outputs:</p>
  <pre><code>2048 AAAAAAAAAAA /Users/mylocaluser/.ssh/id_rsa (RSA)
  2048 BBBBBBBBBBB /home/ubuntu/.ssh/id_rsa_heroku (RSA)
  </code></pre>
  <p><code>git remote show heroku</code> fails too</p>
  <p>I tried to delete and create again my keys but without any success.
  I have also deleted manually most of my keys on herokus, without any success.</p>
  <p>I have also followed this:
  <a href="https://stackoverflow.com/questions/8786564/cannot-push-to-heroku-because-key-fingerprint" title="cannot push to heroku because key fingerprint">https://stackoverflow.com/questions/8786564/cannot-push-to-heroku-because-key-fingerprint</a></p>
  <p>I have an alias for my user when I am using ssh, could it be the problem?</p>