--- a/mercurial/setdiscovery.py	Fri Jul 06 14:12:42 2012 -0500
+++ b/mercurial/setdiscovery.py	Fri Jul 13 21:46:53 2012 +0200
@@ -100,7 +100,7 @@
     sample = ownheads
     if remote.local():
         # stopgap until we have a proper localpeer that supports batch()
-        srvheadhashes = phases.visibleheads(remote)
+        srvheadhashes = phases.visibleheads(remote.local())
         yesno = remote.known(dag.externalizeall(sample))
     elif remote.capable('batch'):
         batch = remote.batch()