diff --git a/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c b/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
index 1f095ff21..3f3b3f1be 100644
--- a/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
+++ b/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
@@ -12,6 +12,7 @@
 #include "esp_chip_info.h"
 #include "esp_flash.h"
 #include "esp_system.h"
+#include "driver/i2c.h"
 #include "bme280.h"
 
 #define I2C_MASTER_SCL_IO           CONFIG_I2C_MASTER_SCL      /*!< GPIO number used for I2C master clock */