diff --git a/ports/tcpport.js b/ports/tcpport.js
index 4f7baaf..87e23de 100644
--- a/ports/tcpport.js
+++ b/ports/tcpport.js
@@ -133,6 +133,7 @@ class TcpPort extends EventEmitter {
         this._client.on("connect", function() {
             self.openFlag = true;
             modbusSerialDebug("TCP port: signal connect");
+            self._client.setNoDelay();
             handleCallback();
         });