diff --git a/ESP-IDF_Robot/main/blink_example_main.c b/ESP-IDF_Robot/main/blink_example_main.c
index 265f67518..5423f3ad7 100644
--- a/ESP-IDF_Robot/main/blink_example_main.c
+++ b/ESP-IDF_Robot/main/blink_example_main.c
@@ -57,7 +57,7 @@ static const char *TAG = "ESP IDF Robot";
 #define MTR_MODE                LEDC_LOW_SPEED_MODE
 #define MTR_DUTY_RES            LEDC_TIMER_13_BIT
 
-#define MTR_FRONT_LEFT_IO       (4)
+#define MTR_FRONT_LEFT_IO       (6)
 #define MTR_FRONT_LEFT_TMR      LEDC_TIMER_0
 #define MTR_FRONT_LEFT          LEDC_CHANNEL_1
 #define MTR_FRONT_LEFT_DUTY     (3361)