diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
index caa0ff619475..327337b31279 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
@@ -735,7 +735,7 @@ void mt7996_mcu_rx_event(struct mt7996_dev *dev, struct sk_buff *skb)
 static struct tlv *
 mt7996_mcu_add_uni_tlv(struct sk_buff *skb, u16 tag, u16 len)
 {
-	struct tlv *ptlv = skb_put(skb, len);
+	struct tlv *ptlv = skb_put_zero(skb, len);
 
 	ptlv->tag = cpu_to_le16(tag);
 	ptlv->len = cpu_to_le16(len);