diff --git a/ESP32-IDF_BMP280/main/lm75.h b/ESP32-IDF_BMP280/main/lm75.h
index 7edab9fb0..2839d7bb2 100644
--- a/ESP32-IDF_BMP280/main/lm75.h
+++ b/ESP32-IDF_BMP280/main/lm75.h
@@ -2,7 +2,7 @@
 #define __LM75_H__
 
 #define LM75_CHIP_ID                        (0x07)
-#define LM75_I2C_ADDRESS1                   (0x49)      // BME280 Data sheet p. 32
+#define LM75_I2C_ADDRESS1                   (0x49)
 #define BME280_I2C_ADDRESS2                 (0x49)
 #define BME280_TEMPERATURE_REGISTER         (0x00)
 
diff --git a/ESP32-Rainmaker-Switch/main/bme280.c b/ESP32-Rainmaker-Switch/main/bme280.c
index fd05ee823..bb49029ab 100644
--- a/ESP32-Rainmaker-Switch/main/bme280.c
+++ b/ESP32-Rainmaker-Switch/main/bme280.c
@@ -29,7 +29,7 @@ static esp_err_t bme280_get_id(i2c_cmd_handle_t command, uint8_t device_address)
     // Step 8. STOP
     i2c_master_stop(command);
     // Step 7. Read one byte of data from register
-    cmd_ret = i2c_master_cmd_begin(I2C_NUM_0, command, 1000 / portTICK_PERIOD_MS);
+    esp_err_t cmd_ret = i2c_master_cmd_begin(I2C_NUM_0, command, 1000 / portTICK_PERIOD_MS);
     i2c_cmd_link_delete(command);
     return cmd_ret;