diff --git a/tools/tcpFlash.py b/tools/tcpFlash.py
index 2c32002..8ff527e 100755
--- a/tools/tcpFlash.py
+++ b/tools/tcpFlash.py
@@ -49,7 +49,7 @@ def main(nodeip, luafile, volatile=None):
     else:
         try:
             s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-            s.connect((nodeip, 80))
+            s.connect((nodeip, 23))
 	    time.sleep(0.050)
             s.sendall("\n")
             # Receive the hello Message of answer of the ESP