diff --git a/target/linux/rockchip/armv8/base-files/etc/board.d/02_network b/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
index e129fd6a67..48133c81a1 100755
--- a/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
+++ b/target/linux/rockchip/armv8/base-files/etc/board.d/02_network
@@ -17,6 +17,13 @@ rockchip_setup_interfaces()
 	esac
 }
 
+nanopi_r2s_generate_mac()
+{
+	local sd_hash=$(sha256sum /sys/devices/platform/ff500000.dwmmc/mmc_host/mmc0/mmc0:*/cid)
+	local mac_base=$(macaddr_canonicalize "$(echo "${sd_hash}" | dd bs=1 count=12 2>/dev/null)")
+	echo "$(macaddr_unsetbit_mc "$(macaddr_setbit_la "${mac_base}")")"
+}
+
 rockchip_setup_macs()
 {
 	local board="$1"
@@ -26,7 +33,7 @@ rockchip_setup_macs()
 
 	case "$board" in
 	friendlyarm,nanopi-r2s)
-		wan_mac=$(macaddr_random)
+		wan_mac=$(nanopi_r2s_generate_mac)
 		lan_mac=$(macaddr_add "$wan_mac" +1)
 		;;
 	esac