--- a/server/migractions.py	Fri Jan 28 11:21:45 2011 +0100
+++ b/server/migractions.py	Fri Jan 28 15:23:47 2011 +0100
@@ -183,7 +183,7 @@
         open(backupfile,'w').close() # kinda lock
         os.chmod(backupfile, 0600)
         # backup
-        tmpdir = tempfile.mkdtemp(dir=instbkdir)
+        tmpdir = tempfile.mkdtemp()
         try:
             for source in repo.sources:
                 try: