diff --git a/configs/YYRC-EAGLEF722V0 b/configs/YYRC-EAGLEF722V0
index 219b7706..1612e822 100644
--- a/configs/YYRC-EAGLEF722V0
+++ b/configs/YYRC-EAGLEF722V0
@@ -78,7 +78,7 @@
 #define GYRO_1_EXTI_PIN PC4
 #define GYRO_1_CS_PIN PA0
 #define USB_DETECT_PIN PA10
-#define PULLDOWN_PIN_UART1 PC0
+#define PULLDOWN_PIN PC0
 
 #define TIMER_PIN_MAPPING \
     TIMER_PIN_MAP( 0, PB9 , 2, -1) \