diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 58458c83c..da68ac8dc 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -68,7 +68,7 @@ TIMER RESOLUTION    MAX VALUE   HALF-DUTY
 
 #define ESP_INTR_FLAG_DEFAULT 0
 
-#define GPIO_INPUT_PIN_SEL ((1ULL<<PUSH_BTN_GPIO))
+#define GPIO_INPUT_PIN_SEL ((1ULL<<PUSH_BTN_GPIO) | (1ULL<<NAV_BTN))
 #define GPIO_OUTPUT_PIN_SEL ((1ULL<<BLINK_GPIO))
 
 /* ESPNOW can work in both station and softap mode. It is configured in menuconfig. */