diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index cdad2c8dc297..282b46c6d33d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -75,7 +75,7 @@ static int __mt7615_mcu_msg_send(struct mt7615_dev *dev, struct sk_buff *skb,
 
 	txd = mcu_txd->txd;
 
-	val = FIELD_PREP(MT_TXD0_TX_BYTES, cpu_to_le16(skb->len)) |
+	val = FIELD_PREP(MT_TXD0_TX_BYTES, skb->len) |
 	      FIELD_PREP(MT_TXD0_P_IDX, MT_TX_PORT_IDX_MCU) |
 	      FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
 	txd[0] = cpu_to_le32(val);