diff -r 0e330d7d9f53 -r ae53ecc47414 hgext/shelve.py
--- a/hgext/shelve.py	Mon Mar 28 17:16:00 2016 -0500
+++ b/hgext/shelve.py	Mon Mar 28 14:41:29 2016 -0700
@@ -141,7 +141,7 @@
 
         cg = changegroup.changegroupsubset(self.repo, bases, [node], 'shelve',
                                            version=cgversion)
-        changegroup.writebundle(self.ui, cg, self.fname, btype, self.vfs,
+        bundle2.writebundle(self.ui, cg, self.fname, btype, self.vfs,
                                 compression=compression)
 
 class shelvedstate(object):