diff --git a/target/linux/ramips/dts/mt7621_xiaomi_mi-router-4.dts b/target/linux/ramips/dts/mt7621_xiaomi_mi-router-4.dts
index f8fc01ee307..18cbe0c013f 100644
--- a/target/linux/ramips/dts/mt7621_xiaomi_mi-router-4.dts
+++ b/target/linux/ramips/dts/mt7621_xiaomi_mi-router-4.dts
@@ -72,12 +72,12 @@
 	ports {
 		port@1 {
 			status = "okay";
-			label = "lan1";
+			label = "lan2";
 		};
 
 		port@2 {
 			status = "okay";
-			label = "lan2";
+			label = "lan1";
 		};
 
 		port@4 {