diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index b8c0728..3922064 100755
--- a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -1221,7 +1221,7 @@
  * @hw_stats:		Packet statistics counter
  */
 struct mtk_mac {
-	int				id;
+	unsigned int			id;
 	phy_interface_t			interface;
 	unsigned int			mode;
 	int				speed;