diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index c8929edfe9d6..eb750a503999 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -3780,9 +3780,8 @@ u64 ath9k_hw_gettsf64(struct ath_hw *ah)
 
 void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64)
 {
-	REG_WRITE(ah, AR_TSF_L32, 0x00000000);
-	REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
 	REG_WRITE(ah, AR_TSF_L32, tsf64 & 0xffffffff);
+	REG_WRITE(ah, AR_TSF_U32, (tsf64 >> 32) & 0xffffffff);
 }
 
 void ath9k_hw_reset_tsf(struct ath_hw *ah)