diff --git a/target/linux/lantiq/dts/ARV4519PW.dts b/target/linux/lantiq/dts/ARV4519PW.dts
index 204aca0e7b..a0a080378e 100644
--- a/target/linux/lantiq/dts/ARV4519PW.dts
+++ b/target/linux/lantiq/dts/ARV4519PW.dts
@@ -81,7 +81,7 @@
 		};
 
 		etop@E180000 {
-			phy-mode = "rmii";
+			phy-mode = "mii";
 		};
 
 		ifxhcd@E101000 {
diff --git a/target/linux/lantiq/dts/ARV7518PW.dts b/target/linux/lantiq/dts/ARV7518PW.dts
index e8c78b3609..c6f4759ed4 100644
--- a/target/linux/lantiq/dts/ARV7518PW.dts
+++ b/target/linux/lantiq/dts/ARV7518PW.dts
@@ -118,7 +118,7 @@
 		};
 
 		etop@E180000 {
-			phy-mode = "rmii";
+			phy-mode = "mii";
 		};
 
 		ifxhcd@E101000 {