diff --git a/src/syndicate/relays.nim b/src/syndicate/relays.nim
index ee7c204..48a2f5b 100644
--- a/src/syndicate/relays.nim
+++ b/src/syndicate/relays.nim
@@ -402,7 +402,7 @@ when defined(posix):
       close(stdin)
       facet.actor.atExit do (turn: var Turn):
         close(asyncStdin)
-      var wireBuf = newBufferedDecoder()
+      var wireBuf = newBufferedDecoder(0)
       proc readCb(pktFut: Future[string]) {.gcsafe.} =
         if not pktFut.failed:
           var buf = pktFut.read