.

wcfs/__init__.py

@@ -220,7 +220,9 @@ def _pin1(wconn, req):
         exc = sys.exc_info()[1]
         if exc is not None:
             ack = "nak: %s" % exc
-        req.reply(ack)
+        #req.reply(ack)
+        ctx = context.background()  # XXX ok?
+        wconn._wlink.replyReq(ctx, req, ack)
     defer(_)
 
     def trace(msg):