diff --git a/target/linux/ath79/dts/ar9342_ubnt_litebeam-ac-gen2.dts b/target/linux/ath79/dts/ar9342_ubnt_litebeam-ac-gen2.dts
index 2e2cdec782..1affbb2994 100644
--- a/target/linux/ath79/dts/ar9342_ubnt_litebeam-ac-gen2.dts
+++ b/target/linux/ath79/dts/ar9342_ubnt_litebeam-ac-gen2.dts
@@ -33,3 +33,9 @@
 		rxdv-delay = <3>;
 	};
 };
+
+&wmac {
+	status = "okay";
+
+	mtd-cal-data = <&art 0x1000>;
+};