diff --git a/target/linux/lantiq/dts/ARV7510PW22.dts b/target/linux/lantiq/dts/ARV7510PW22.dts
index 0bddce7d64..24c396d8bb 100644
--- a/target/linux/lantiq/dts/ARV7510PW22.dts
+++ b/target/linux/lantiq/dts/ARV7510PW22.dts
@@ -107,7 +107,7 @@
 		};
 
 		etop@E180000 {
-			phy-mode = "rmii";
+			phy-mode = "mii";
 			/* Switch reset 19 */
 		};