diff --git a/target/linux/qualcommax/dts/ipq8074-rt-ax89x.dts b/target/linux/qualcommax/dts/ipq8074-rt-ax89x.dts
index f16930636ff..8081b7766d2 100644
--- a/target/linux/qualcommax/dts/ipq8074-rt-ax89x.dts
+++ b/target/linux/qualcommax/dts/ipq8074-rt-ax89x.dts
@@ -584,6 +584,7 @@
 				reg = <0>;
 				label = "cpu";
 				ethernet = <&port_switch>;
+				dsa-tag-protocol = "qca-etype";
 				phy-mode = "rgmii-rxid";
 				phy-handle = <&qca8035>;
 			};