diff -r 659f010ffa7e -r bb2b462f81da hgext/fastannotate/protocol.py
--- a/hgext/fastannotate/protocol.py	Tue Aug 21 22:34:32 2018 -0400
+++ b/hgext/fastannotate/protocol.py	Tue Aug 21 22:49:08 2018 -0400
@@ -15,6 +15,7 @@
     extensions,
     hg,
     localrepo,
+    util,
     wireprotov1peer,
     wireprotov1server,
 )
@@ -166,6 +167,8 @@
     ui.debug('fastannotate: server returned\n')
     for result in results:
         r = result.result()
+        # TODO: pconvert these paths on the server?
+        r = {util.pconvert(p): v for p, v in r.iteritems()}
         for path in sorted(r):
             # ignore malicious paths
             if not path.startswith('fastannotate/') or '/../' in (path + '/'):