diff --git a/variants/esp32_s3_crowpanel_2_1/pins_arduino.h b/variants/esp32_s3_crowpanel_2_1/pins_arduino.h
index 20cc5a9..ea92c01 100644
--- a/variants/esp32_s3_crowpanel_2_1/pins_arduino.h
+++ b/variants/esp32_s3_crowpanel_2_1/pins_arduino.h
@@ -6,6 +6,8 @@
 
 #define ESP32_S3_CROWPANEL_2_1
 
+static const gpio_num_t BOOT_BUTTON_PIN = GPIO_NUM_0;
+
 static const gpio_num_t SDA = GPIO_NUM_38;
 static const gpio_num_t SCL = GPIO_NUM_39;