--- a/mercurial/hgweb/hgweb_mod.py
+++ b/mercurial/hgweb/hgweb_mod.py
@@ -869,7 +869,7 @@ class hgweb(object):
try:
req.write(self.filerevision(self.filectx(req)))
return
- except hg.RepoError:
+ except revlog.LookupError:
pass
req.write(self.manifest(self.changectx(req), path))