diff --git a/target/linux/mediatek/dts/mt7981b-cudy-wr3000h-v1.dts b/target/linux/mediatek/dts/mt7981b-cudy-wr3000h-v1.dts
index 0808eb9557..bdcc4f78ea 100644
--- a/target/linux/mediatek/dts/mt7981b-cudy-wr3000h-v1.dts
+++ b/target/linux/mediatek/dts/mt7981b-cudy-wr3000h-v1.dts
@@ -174,7 +174,7 @@
 		interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
 	};
 	phy6: ethernet-phy@6 {
-		compatible = "ethernet-phy-ieee802.3-c22"; // [RTL8221B-VB-CG 2.5Gbps PHY (C22)]
+		compatible = "ethernet-phy-ieee802.3-c45";
 		reg = <6>;
 		phy-mode = "2500base-x";
 	};