diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 61ae1b7..1c85443 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -376,7 +376,7 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
 	else
 		events |= RTC_IRQF | RTC_UF;
 
-	res = twl_rtc_write_u8(rd_reg | BIT_RTC_STATUS_REG_ALARM_M,
+	res = twl_rtc_write_u8(BIT_RTC_STATUS_REG_ALARM_M,
 				   REG_RTC_STATUS_REG);
 	if (res)
 		goto out;