Nuxeo Drive crash when deleting a local root folder

Traceback (most recent call last):
  File "/usr/local/share/python/ndrive", line 7, in <module>
    execfile(__file__)
  File "/Users/ogrisel/coding/nuxeo-drive/nuxeo-drive-client/scripts/ndrive", line 6, in <module>
    sys.exit(main())
  File "/usr/local/lib/python2.7/site-packages/nxdrive/commandline.py", line 422, in main
    return CliHandler().handle(argv)
  File "/usr/local/lib/python2.7/site-packages/nxdrive/commandline.py", line 308, in handle
    return handler(options)
  File "/usr/local/lib/python2.7/site-packages/nxdrive/commandline.py", line 339, in console
    delay=getattr(options, 'delay', DEFAULT_DELAY))
  File "/usr/local/lib/python2.7/site-packages/nxdrive/synchronizer.py", line 711, in loop
    sb, session=session)
  File "/usr/local/lib/python2.7/site-packages/nxdrive/synchronizer.py", line 938, in update_synchronize_server
    self.scan_local(rb.local_root, session)
  File "/usr/local/lib/python2.7/site-packages/nxdrive/synchronizer.py", line 121, in scan_local
    root_info = client.get_info('/')
  File "/usr/local/lib/python2.7/site-packages/nxdrive/client/local_client.py", line 98, in get_info
    ref, self.base_folder))
NotFound: Could not found file '/' under '/Users/ogrisel/Nuxeo Drive/Administrator'