diff --git a/platformio.ini b/platformio.ini
index 1a7f4b2..c1a3100 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -42,7 +42,7 @@ build_flags = ${env.build_flags}
     -DDNS=\"192.168.127.1\"
     -DKMYIP=\"192.168.127.48\"
     -Dmqtt_server=\"hjkmqtt.dedyn.io\"
-    -Dmqtt_port=8883
+    -Dmqtt_port=61883
     -DTERROR=5
     -DTLOWBATT=60
     -DTINTERVAL=1