diff --git a/target/linux/ramips/dts/A5-V11.dts b/target/linux/ramips/dts/A5-V11.dts
index 63d9604305..25ab924043 100644
--- a/target/linux/ramips/dts/A5-V11.dts
+++ b/target/linux/ramips/dts/A5-V11.dts
@@ -62,7 +62,8 @@
 	};
 
 	esw@10110000 {
-		mediatek,portmap = <0x2f>;
+		mediatek,portmap = <0x1>;
+		mediatek,portdisable = <0x3e>;
 	};
 
 	wmac@10180000 {