diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index d5b513e134ab4c42b00869fe7f549a6883ab8d74..84263c862ea4dc9375f839a070ae392f2cd4ec03 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -345,7 +345,7 @@ static void ath9k_hw_set_defaults(struct ath_hal *ah)
 		ah->ah_config.spurchans[i][1] = AR_NO_SPUR;
 	}
 
-	ah->ah_config.intr_mitigation = 0;
+	ah->ah_config.intr_mitigation = 1;
 }
 
 static void ath9k_hw_override_ini(struct ath_hal *ah,