diff --git a/mercurial/hgweb/protocol.py b/mercurial/hgweb/protocol.py
--- a/mercurial/hgweb/protocol.py
+++ b/mercurial/hgweb/protocol.py
@@ -67,5 +67,5 @@ def iscmd(cmd):
 
 def call(repo, req, cmd):
     p = webproto(req)
-    r = wireproto.dispatch(repo, p, cmd)
+    wireproto.dispatch(repo, p, cmd)
     yield p.response
diff --git a/mercurial/sshserver.py b/mercurial/sshserver.py
--- a/mercurial/sshserver.py
+++ b/mercurial/sshserver.py
@@ -93,7 +93,9 @@ class sshserver(object):
 
     def serve_one(self):
         cmd = self.fin.readline()[:-1]
-        if cmd and not wireproto.dispatch(self.repo, self, cmd):
+        if cmd and cmd in wireproto.commands:
+            wireproto.dispatch(self.repo, self, cmd)
+        elif cmd:
             impl = getattr(self, 'do_' + cmd, None)
             if impl:
                 r = impl()
diff --git a/mercurial/wireproto.py b/mercurial/wireproto.py
--- a/mercurial/wireproto.py
+++ b/mercurial/wireproto.py
@@ -134,14 +134,11 @@ class wirerepository(repo.repository):
 # server side
 
 def dispatch(repo, proto, command):
-    if command not in commands:
-        return False
     func, spec = commands[command]
     args = proto.getargs(spec)
     r = func(repo, proto, *args)
     if r != None:
         proto.respond(r)
-    return True
 
 def between(repo, proto, pairs):
     pairs = [decodelist(p, '-') for p in pairs.split(" ")]