diff --git a/target/linux/ath79/dts/ar9342_ubnt_nanobeam-ac.dts b/target/linux/ath79/dts/ar9342_ubnt_nanobeam-ac.dts
index 6f6e4c6bb6..3dd1ba4532 100644
--- a/target/linux/ath79/dts/ar9342_ubnt_nanobeam-ac.dts
+++ b/target/linux/ath79/dts/ar9342_ubnt_nanobeam-ac.dts
@@ -42,7 +42,6 @@
 
 	phy-mask = <4>;
 	phy4: ethernet-phy@4 {
-		phy-mode = "rgmii";
 		reg = <4>;
 	};
 };
@@ -51,11 +50,11 @@
 	status = "okay";
 
 	/* default for ar934x, except for 1000M and 10M */
-	pll-data = <0x06000000 0x00000101 0x00001313>;
+	pll-data = <0x02000000 0x00000101 0x00001313>;
 
 	mtd-mac-address = <&art 0x0>;
 
-	phy-mode = "rgmii";
+	phy-mode = "rgmii-id";
 	phy-handle = <&phy4>;
 
 	gmac-config {