diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.h b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
index 6314ae2e93e34d0523b763031230bed4943244b7..9d17a5375f6497c6e02ed368e332e7cd4fc27fe6 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.h
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.h
@@ -610,8 +610,8 @@
 #define AR_PHY_CCA_MIN_GOOD_VAL_9271_2GHZ      -127
 #define AR_PHY_CCA_MAX_GOOD_VAL_9271_2GHZ      -116
 
-#define AR_PHY_CCA_NOM_VAL_9287_2GHZ           -120
+#define AR_PHY_CCA_NOM_VAL_9287_2GHZ           -112
 #define AR_PHY_CCA_MIN_GOOD_VAL_9287_2GHZ    -127
-#define AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ    -110
+#define AR_PHY_CCA_MAX_GOOD_VAL_9287_2GHZ    -97
 
 #endif