diff -r 6fa712e9dfa5 -r 0af44a38fe41 server/migractions.py
--- a/server/migractions.py	Mon Jan 24 19:09:42 2011 +0100
+++ b/server/migractions.py	Tue Feb 01 11:52:10 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: