diff --git a/ESP-IDF_Robot/main/mqtt.c b/ESP-IDF_Robot/main/mqtt.c
index 7eaee89f1..702960bf9 100644
--- a/ESP-IDF_Robot/main/mqtt.c
+++ b/ESP-IDF_Robot/main/mqtt.c
@@ -6,7 +6,7 @@
 
 //static const char WIFI_SSID =            "IoT_bots";
 //static const char WIFI_PASSWORD =      "208208208";
-static const char* MQTT_BROKER_URI =    "mqtt://techquadbit.net";
+static const char* MQTT_BROKER_URI =    "mqtt://techquadbit.net:1883";
 static const char* MQTT_TAG =           "MQTT_Robot";
 
 static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data) {