diff --git a/version.py b/version.py
index 376ff0737..24f89e44a 100644
--- a/version.py
+++ b/version.py
@@ -15,7 +15,7 @@
         m = md5()
         m.update(''.join(getsourcelines(module)[0]))
         scripts.append(','.join([module.__name__ + ('.script' 
-                                                    if os.path.isfile(module.__file__[:-4] + '.script')
+                                                    if os.path.isfile('.'.join(module.__file__.split('.')[:-1]) + '.script')
                                                     else '.py'), 
                                  m.hexdigest()]))