diff -r b08b87cecc37 -r a1e6e02e9d05 mercurial/hgweb.py
--- a/mercurial/hgweb.py	Sat Feb 18 22:01:09 2006 -0500
+++ b/mercurial/hgweb.py	Sat Feb 18 22:24:42 2006 -0500
@@ -965,7 +965,7 @@
                 nodes = map(bin, req.form['roots'][0].split(" "))
 
             z = zlib.compressobj()
-            f = self.repo.changegroup(nodes)
+            f = self.repo.changegroup(nodes, 'serve')
             while 1:
                 chunk = f.read(4096)
                 if not chunk: