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 715aa7da0..cbf2053ab 100644
--- a/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
+++ b/ESP32-IDF_Temperture-Node-v2/main/hello_world_main.c
@@ -30,7 +30,7 @@
 #define MPU9250_SENSOR_ADDR                 0x76        /*!< Slave address of the MPU9250 sensor */
 
 static bme280_handle_t sensor = NULL;
-float temperature;
+float *temperature;
 
 void app_main(void)
 {