diff --git a/service/fserv.lua b/service/fserv.lua
index 1944679..fdb9323 100644
--- a/service/fserv.lua
+++ b/service/fserv.lua
@@ -63,6 +63,7 @@ local function httpHandler(socket,rtype,path)
  if code < 200 or code > 299 then
   socket:write(string.format("f%d\n%s",code,message))
  else
+  socket:write("y")
   local data = ""
   repeat
    coroutine.yield()