Search by title, error expanding movies with 1 sub

version: 2.0.14, 20.15
OS: fedora 13, Ubuntu 12.04 (amd64)

Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/subdownloader/gui/main.py", line 1662, in onExpandMovie
    temp_movie = s.search_movie(None,'all',MovieID_link= movie.MovieSiteLink)
  File "/usr/lib/python2.6/site-packages/subdownloader/modules/search.py", line 68, in search_movie
    movies = self.subtitle_info(xml_page.read())
  File "/usr/lib/python2.6/site-packages/subdownloader/modules/search.py", line 144, in subtitle_info
    'SubPreview': _File.getElementsByTagName('SubPreview')[0].firstChild.data
IndexError: list index out of range

how to reproduce:
1] search by movie name
2] enter "The Godfather: "
3] try to expand "The Godfather: Money, Power, Respect..."