diff --git a/lib/lua/TTransport.lua b/lib/lua/TTransport.lua
index 01c7e59..b7f6b83 100644
--- a/lib/lua/TTransport.lua
+++ b/lib/lua/TTransport.lua
@@ -76,6 +76,8 @@
   return buf
 end
 function TTransportBase:write(buf) end
+-- flushOneway is a NOOP for most transport types.
+function TTransportBase:flushOneway() end
 function TTransportBase:flush() end
 
 TServerTransportBase = __TObject:new{