diff -r 4fae5df4b1bb -r 7196ed7a1505 mercurial/bookmarks.py
--- a/mercurial/bookmarks.py	Wed Oct 12 22:01:14 2011 +0200
+++ b/mercurial/bookmarks.py	Wed Oct 12 11:09:57 2011 -0500
@@ -146,7 +146,7 @@
             marks[mark] = new.node()
             update = True
     if update:
-        write(repo)
+        repo._writebookmarks(marks)
 
 def listbookmarks(repo):
     # We may try to list bookmarks on a repo type that does not