Index: collective.imstransport.orig/trunk/collective/imstransport/ManifestHandlers.py
===================================================================
--- collective.imstransport.orig/trunk/collective/imstransport/ManifestHandlers.py	(revision 20)
+++ collective.imstransport.orig/trunk/collective/imstransport/ManifestHandlers.py	(revision 115)
@@ -34,4 +34,5 @@
 import re
 from xml.dom import minidom
+import os
 
 
@@ -44,5 +45,5 @@
     event.writer.addNamespace(('xmlns:imsmd', LOM_namespace),
                               'http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p4.xsd',
-                              ('collective/imstransport/IMS', 'imsmd_v1p2p4.xsd'))
+                              (os.sep.join(['collective.imstransport','collective','imstransport','IMS']), 'imsmd_v1p2p4.xsd'))
 
 class WriteLOMMetadata: