--- a/hgext/largefiles/overrides.py	Tue Oct 02 14:31:14 2012 -0700
+++ b/hgext/largefiles/overrides.py	Tue Oct 02 14:31:25 2012 -0700
@@ -841,6 +841,7 @@
     archiver.done()
 
 def hgsubrepoarchive(orig, repo, ui, archiver, prefix, match=None):
+    repo._get(repo._state + ('hg',))
     rev = repo._state[1]
     ctx = repo._repo[rev]