diff --git a/ESP32-IDF_Temperture-Node-v2/main/mqttronix.c b/ESP32-IDF_Temperture-Node-v2/main/mqttronix.c
index f5d3d22e0..8684ba5da 100644
--- a/ESP32-IDF_Temperture-Node-v2/main/mqttronix.c
+++ b/ESP32-IDF_Temperture-Node-v2/main/mqttronix.c
@@ -9,4 +9,5 @@
     Uses Espressif mqtt component: espressif/mqtt^1.0.0
 */
 
+#include "mqtt_client.h"
 #include "mqttronix.h"
\ No newline at end of file