--- a/mercurial/hgweb/hgweb_mod.py
+++ b/mercurial/hgweb/hgweb_mod.py
@@ -767,7 +767,7 @@ class hgweb(object):
if method:
method(req)
else:
- req.write(self.t("error"))
+ req.write(self.t("error", error='No such method: ' + cmd))
def changectx(self, req):
if req.form.has_key('node'):