diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 4458d96b0..5d13e7f1f 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -315,7 +315,7 @@ int example_espnow_data_parse(uint8_t *data, uint16_t data_len, uint8_t *state,
     // Display received data.
     ESP_LOGW(TAG, "Received data size: %d", data_len);
     ESP_LOGW(TAG, "Saved value: %x", (uint8_t)buf->payload);
-    ESP_LOGW(TAG, "payload[0] = %x", buf->payload[0]);
+    ESP_LOGW(TAG, "payload[0] = %x", (uint8_t)buf->payload[0]);
 
     if (crc_cal == crc) {
         return buf->type;