diff --git a/autobuild_mac80211_release/mt7986_mac80211/package/kernel/mt76/patches/0004-mt76-mt7915-fix-tx-descriptor.patch b/autobuild_mac80211_release/mt7986_mac80211/package/kernel/mt76/patches/0004-mt76-mt7915-fix-tx-descriptor.patch
new file mode 100644
index 0000000..c84c60e
--- /dev/null
+++ b/autobuild_mac80211_release/mt7986_mac80211/package/kernel/mt76/patches/0004-mt76-mt7915-fix-tx-descriptor.patch
@@ -0,0 +1,24 @@
+From d0a61bbe57616c1a87a3bb4676f141ed54110add Mon Sep 17 00:00:00 2001
+From: Shayne Chen <shayne.chen@mediatek.com>
+Date: Wed, 19 Jan 2022 15:51:01 +0800
+Subject: [PATCH 4/6] mt76: mt7915: fix tx descriptor
+
+---
+ mt7915/mac.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/mt7915/mac.c b/mt7915/mac.c
+index 47d5a993..887292da 100644
+--- a/mt7915/mac.c
++++ b/mt7915/mac.c
+@@ -1001,6 +1001,7 @@ mt7915_mac_write_txwi_tm(struct mt7915_phy *phy, __le32 *txwi,
+ 	if (td->tx_rate_ldpc || (bw > 0 && mode >= MT_PHY_TYPE_HE_SU))
+ 		val |= MT_TXD6_LDPC;
+ 
++	txwi[1] &= ~cpu_to_le32(MT_TXD1_VTA);
+ 	txwi[3] &= ~cpu_to_le32(MT_TXD3_SN_VALID);
+ 	txwi[6] |= cpu_to_le32(val);
+ 	txwi[7] |= cpu_to_le32(FIELD_PREP(MT_TXD7_SPE_IDX,
+-- 
+2.18.0
+