--- a/hgext/largefiles/overrides.py	Fri Sep 28 19:43:40 2012 +0900
+++ b/hgext/largefiles/overrides.py	Sun Sep 23 00:08:13 2012 -0400
@@ -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]