diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index 3a297c5551ed..0b34886321f1 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -831,7 +831,7 @@ static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
 		else if ((tx_mcs_map  & 0x000c) >> 2 ==
 			IEEE80211_VHT_MCS_SUPPORT_0_8)
 			hw_rate =
-			rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
+			rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8];
 		else
 			hw_rate =
 			rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9];
@@ -843,7 +843,7 @@ static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw,
 		else if ((tx_mcs_map  & 0x0003) ==
 			IEEE80211_VHT_MCS_SUPPORT_0_8)
 			hw_rate =
-			rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];
+			rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8];
 		else
 			hw_rate =
 			rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9];