diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index d837513f4e92..df040b4e8855 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -2327,7 +2327,8 @@ static int sec_eng_init_ax(struct rtw89_dev *rtwdev)
 	if (chip->chip_id == RTL8852C)
 		val |= B_AX_UC_MGNT_DEC;
 	if (chip->chip_id == RTL8852A || chip->chip_id == RTL8852B ||
-	    chip->chip_id == RTL8851B)
+	    chip->chip_id == RTL8851B ||
+	    (chip->chip_id == RTL8852C && rtwdev->hci.type == RTW89_HCI_TYPE_USB))
 		val &= ~B_AX_TX_PARTIAL_MODE;
 	rtw89_write32(rtwdev, R_AX_SEC_ENG_CTRL, val);