diff --git a/ESP-IDF_Robot/main/i2cdev.h b/ESP-IDF_Robot/main/i2cdev.h
index e64396ee8..cfdeac6ce 100644
--- a/ESP-IDF_Robot/main/i2cdev.h
+++ b/ESP-IDF_Robot/main/i2cdev.h
@@ -215,6 +215,8 @@ esp_err_t i2c_dev_read_reg(const i2c_dev_t *dev, uint8_t reg,
 esp_err_t i2c_dev_write_reg(const i2c_dev_t *dev, uint8_t reg,
         const void *out_data, size_t out_size);
 
+#define CONFIG_I2CDEV_TIMEOUT (1000)
+
 #define I2C_DEV_TAKE_MUTEX(dev) do { \
         esp_err_t __ = i2c_dev_take_mutex(dev); \
         if (__ != ESP_OK) return __;\