diff --git a/target/linux/lantiq/dts/ARV4519PW.dts b/target/linux/lantiq/dts/ARV4519PW.dts
index 204aca0e7bb5a4a86163f8be0300013b7bd67fb5..a0a080378e410622cec5b010a34b27daa6953a9d 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 e8c78b3609d2ddc3254de71a8cd79faeda46d064..c6f4759ed4cbbf5abd4a7665f133e6d75ae8ce7d 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 {