diff -r a168799687e5 -r 62ebfda864de mercurial/wireprotov1peer.py
--- a/mercurial/wireprotov1peer.py	Fri Apr 13 12:13:42 2018 -0700
+++ b/mercurial/wireprotov1peer.py	Fri Apr 13 11:54:13 2018 -0700
@@ -308,7 +308,7 @@
             else:
                 f.set_result(result)
 
-@zi.implementer(repository.ipeerlegacycommands)
+@zi.implementer(repository.ipeercommands, repository.ipeerlegacycommands)
 class wirepeer(repository.peer):
     """Client-side interface for communicating with a peer repository.