diff --git a/target/linux/realtek/dts/rtl9302_zyxel_xgs1210-12.dts b/target/linux/realtek/dts/rtl9302_zyxel_xgs1210-12.dts
index e1f4753f23..9ff919573a 100644
--- a/target/linux/realtek/dts/rtl9302_zyxel_xgs1210-12.dts
+++ b/target/linux/realtek/dts/rtl9302_zyxel_xgs1210-12.dts
@@ -290,14 +290,14 @@
 		port@24 {
 			reg = <24>;
 			label = "lan9";
-			phy-mode = "hsgmii";
+			phy-mode = "2500base-x";
 			phy-handle = <&phy24>;
 			led-set = <1>;
 		};
 		port@25 {
 			reg = <25>;
 			label = "lan10";
-			phy-mode = "hsgmii";
+			phy-mode = "2500base-x";
 			phy-handle = <&phy25>;
 			led-set = <1>;
 		};