diff -r 8cea0d57bf37 -r b9502b5f2066 mercurial/wireprotoframing.py
--- a/mercurial/wireprotoframing.py	Thu Apr 12 13:08:33 2018 -0700
+++ b/mercurial/wireprotoframing.py	Thu Apr 12 13:11:29 2018 -0700
@@ -464,7 +464,7 @@
 
     def __init__(self, streamid, active=False):
         self.streamid = streamid
-        self._active = False
+        self._active = active
 
     def makeframe(self, requestid, typeid, flags, payload):
         """Create a frame to be sent out over this stream.