diff --git a/target/linux/lantiq/dts/ARV4518PWR01.dts b/target/linux/lantiq/dts/ARV4518PWR01.dts
index 0007d9dae8..f2a2e188b9 100644
--- a/target/linux/lantiq/dts/ARV4518PWR01.dts
+++ b/target/linux/lantiq/dts/ARV4518PWR01.dts
@@ -104,7 +104,7 @@
 		};
 
 		etop@E180000 {
-			phy-mode = "rmii";
+			phy-mode = "mii";
 		};
 
 		ifxhcd@E101000 {
diff --git a/target/linux/lantiq/dts/ARV4518PWR01A.dts b/target/linux/lantiq/dts/ARV4518PWR01A.dts
index 458614496f..221e5a0c25 100644
--- a/target/linux/lantiq/dts/ARV4518PWR01A.dts
+++ b/target/linux/lantiq/dts/ARV4518PWR01A.dts
@@ -104,7 +104,7 @@
 		};
 
 		etop@E180000 {
-			phy-mode = "rmii";
+			phy-mode = "mii";
 		};
 
 		ifxhcd@E101000 {