diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index cc6e7e37c696..e2ff1b1cfb29 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -1754,7 +1754,12 @@ static int scheduler_init(struct rtw89_dev *rtwdev, u8 mac_idx)
 		return ret;
 
 	reg = rtw89_mac_reg_by_idx(R_AX_PREBKF_CFG_1, mac_idx);
-	rtw89_write32_mask(rtwdev, reg, B_AX_SIFS_MACTXEN_T1_MASK, SIFS_MACTXEN_T1);
+	if (rtwdev->chip->chip_id == RTL8852C)
+		rtw89_write32_mask(rtwdev, reg, B_AX_SIFS_MACTXEN_T1_MASK,
+				   SIFS_MACTXEN_T1_V1);
+	else
+		rtw89_write32_mask(rtwdev, reg, B_AX_SIFS_MACTXEN_T1_MASK,
+				   SIFS_MACTXEN_T1);
 
 	if (rtwdev->chip->chip_id == RTL8852B) {
 		reg = rtw89_mac_reg_by_idx(R_AX_SCH_EXT_CTRL, mac_idx);
diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h
index 098075aa66ea..1f04e6cadd03 100644
--- a/drivers/net/wireless/realtek/rtw89/reg.h
+++ b/drivers/net/wireless/realtek/rtw89/reg.h
@@ -1877,6 +1877,7 @@
 #define B_AX_SIFS_TIMEOUT_T2_MASK GENMASK(14, 8)
 #define B_AX_SIFS_MACTXEN_T1_MASK GENMASK(6, 0)
 #define SIFS_MACTXEN_T1 0x47
+#define SIFS_MACTXEN_T1_V1 0x41
 
 #define R_AX_CCA_CFG_0 0xC340
 #define R_AX_CCA_CFG_0_C1 0xE340