diff --git a/target/linux/ramips/dts/HT-TM02.dts b/target/linux/ramips/dts/HT-TM02.dts
index bb7f33379f..34491b4775 100644
--- a/target/linux/ramips/dts/HT-TM02.dts
+++ b/target/linux/ramips/dts/HT-TM02.dts
@@ -63,6 +63,7 @@
 
 	esw@10110000 {
 		mediatek,portmap = <0x10>;
+		mediatek,portdisable = <0x2f>;
 	};
 
 	wmac@10180000 {