--- a/mercurial/archival.py	Mon Nov 29 16:17:05 2010 +0100
+++ b/mercurial/archival.py	Mon Nov 29 16:34:10 2010 +0100
@@ -274,6 +274,6 @@
     if subrepos:
         for subpath in ctx.substate:
             sub = ctx.sub(subpath)
-            sub.archive(archiver, prefix)
+            sub.archive(repo.ui, archiver, prefix)
 
     archiver.done()