Directories containing spaces crash plone.recipe.zope2install

[gotti]

Here is the backtrace:

Hole externen Verweis nach »Einstellungen\gotti\aurora\parts\zope\trunk\lib\python\Products\ZODBMountPoint«
Externer Verweis ausgecheckt, Revision 149298.

Ausgecheckt, Revision 149298.
svn: »C:/Daten/Dokumente« scheint keine URL zu sein
While:
  Installing zope.

An internal error occured due to a bug in either zc.buildout or in a
recipe being used:
Traceback (most recent call last):
  File "C:\Daten\Dokumente und Einstellungen\gotti\aurora\eggs\zc.buildout-1.3.0-py2.4.egg\zc\buildout\buildout.py", line 1519, in main
    getattr(buildout, command)(args)
  File "C:\Daten\Dokumente und Einstellungen\gotti\aurora\eggs\zc.buildout-1.3.0-py2.4.egg\zc\buildout\buildout.py", line 473, in install
    installed_files = self[part]._call(recipe.install)
  File "C:\Daten\Dokumente und Einstellungen\gotti\aurora\eggs\zc.buildout-1.3.0-py2.4.egg\zc\buildout\buildout.py", line 1101, in _call
    return f()
  File "c:\daten\dokumente und einstellungen\gotti\aurora\eggs\plone.recipe.zope2install-3.1-py2.4.egg\plone\recipe\zope2install\__init__.py", line 195, in install
    assert os.system('svn co %s %s' % (options['svn'], location)) == 0
AssertionError

C:\daten\Dokumente und Einstellungen\gotti\aurora>

It seems there should be quotes around the target directory of the svn command