diff --git a/target/linux/ath79/dts/qca9563_xwrt_csac.dts b/target/linux/ath79/dts/qca9563_xwrt_csac.dts
index 648895879f..1aef53e924 100644
--- a/target/linux/ath79/dts/qca9563_xwrt_csac.dts
+++ b/target/linux/ath79/dts/qca9563_xwrt_csac.dts
@@ -168,6 +168,8 @@
 &eth0 {
 	status = "okay";
 	mtd-mac-address = <&art 0x0>;
+	nvmem-cells = <&macaddr_art_0>;
+	nvmem-cell-names = "mac-address";
 
 	pll-data = <0x03000101 0x00000101 0x00001919>;
 
@@ -179,3 +181,13 @@
 	status = "okay";
 	mtd-cal-data = <&art 0x1000>;
 };
+
+&art {
+	compatible = "nvmem-cells";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	macaddr_art_0: macaddr@0 {
+		reg = <0x0 0x6>;
+	};
+};
diff --git a/target/linux/ath79/image/generic.mk b/target/linux/ath79/image/generic.mk
index 62d1f5df66..5b01434fd6 100644
--- a/target/linux/ath79/image/generic.mk
+++ b/target/linux/ath79/image/generic.mk
@@ -2232,7 +2232,7 @@ define Device/xwrt_csac
   KERNEL_SIZE := 1472k
   IMAGE_SIZE := 16000k
   IMAGES += factory-10.bin factory-05.bin
-  IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 14528k | append-kernel | append-metadata | check-size $$$$(IMAGE_SIZE)
+  IMAGE/sysupgrade.bin := append-rootfs | pad-rootfs | pad-to 14528k | append-kernel | append-metadata | check-size
   IMAGE/factory-10.bin := $$(IMAGE/sysupgrade.bin) | xwrt_csac10-factory $(1)
   IMAGE/factory-05.bin := $$(IMAGE/sysupgrade.bin) | xwrt_csac05-factory $(1)
   DEVICE_PACKAGES := kmod-leds-reset kmod-ath10k-ct ath10k-firmware-qca9888-ct kmod-usb-core kmod-usb2