diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 18e4c0138a40f90e2477c833e9829ce5829599ea..cedb6c145fc4d090ba1c1489c5032e61f82d450c 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -384,7 +384,7 @@ 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;