--- bzrlib/transport/ftp.py-orig	Fri Aug 11 12:35:06 2006
+++ bzrlib/transport/ftp.py	Tue Aug 15 14:36:23 2006
@@ -122,7 +122,10 @@
             netloc = '%s@%s' % (urllib.quote(self._username), netloc)
         if self._port is not None:
             netloc = '%s:%d' % (netloc, self._port)
-        return urlparse.urlunparse(('ftp', netloc, path, '', '', ''))
+        pfx = ""
+        if self.is_active:
+            pfx = "a"
+        return urlparse.urlunparse((pfx + 'ftp', netloc, path, '', '', ''))
 
     def _get_FTP(self):
         """Return the ftplib.FTP instance for this object."""