diff --git a/platformio.ini b/platformio.ini
index ce2f5ec..9b4bf2c 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -13,7 +13,7 @@
 default_envs = PHX3_VFD_ABB_ACH580_RTU ; Select here the name of the configuration you want to download
 
 [env]
-upload_port = COM13
+upload_port = COM6
 
 [common_env_options]
 framework = arduino