diff --git a/arch/arm/boot/dts/bcm47189-tenda-ac9.dts b/arch/arm/boot/dts/bcm47189-tenda-ac9.dts
index 55b92645b0f1f..b7c7bf0be76f4 100644
--- a/arch/arm/boot/dts/bcm47189-tenda-ac9.dts
+++ b/arch/arm/boot/dts/bcm47189-tenda-ac9.dts
@@ -135,8 +135,8 @@
 			label = "lan4";
 		};
 
-		port@5 {
-			reg = <5>;
+		port@8 {
+			reg = <8>;
 			label = "cpu";
 			ethernet = <&gmac0>;
 		};