diff --git a/board/board.h b/board/board.h
index 07e82b4..f9ba311 100644
--- a/board/board.h
+++ b/board/board.h
@@ -76,7 +76,7 @@ extern int __bss_end;
 #define EC_ADC_5V0_B            GET_PIN(A, 4)
 #define EC_ADC_5V0_A            GET_PIN(A, 5)
 #define EC_ADC_12V0             GET_PIN(A, 6)
-#define EC_ADC_BKP_BAT          GET_PIN(A, 5)
+#define EC_ADC_BKP_BAT          GET_PIN(A, 7)
 #define EC_ADC_MAIN_PWR         GET_PIN(C, 4)
 #define EC_ADC_MON_EN           GET_PIN(C, 5)