diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 4b64426d371d..ed70bde1428b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -191,6 +191,7 @@ struct mt76_connac2_fw_region {
 struct tlv {
 	__le16 tag;
 	__le16 len;
+	u8 data[];
 } __packed;
 
 struct bss_info_omac {