diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 063d724bba12..47de1a92bfe4 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -918,7 +918,8 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
 	}
 
 	pll = ath9k_hw_compute_pll_control(ah, chan);
-
+	if (AR_SREV_9565(ah))
+		pll |= 0x40000;
 	REG_WRITE(ah, AR_RTC_PLL_CONTROL, pll);
 
 	if (AR_SREV_9485(ah) || AR_SREV_9340(ah) || AR_SREV_9330(ah) ||