diff --git a/drivers/rtc/rtc-sc27xx.c b/drivers/rtc/rtc-sc27xx.c
index 36810dd40cd3..6e65f68ea86d 100644
--- a/drivers/rtc/rtc-sc27xx.c
+++ b/drivers/rtc/rtc-sc27xx.c
@@ -563,7 +563,7 @@ static int sprd_rtc_check_power_down(struct sprd_rtc *rtc)
 	 * means the RTC has been powered down, so the RTC time values are
 	 * invalid.
 	 */
-	rtc->valid = val == SPRD_RTC_POWER_RESET_VALUE ? false : true;
+	rtc->valid = val != SPRD_RTC_POWER_RESET_VALUE;
 	return 0;
 }