diff --git a/package/base-files/files/etc/uci-defaults/14_network-generate-clientid b/package/base-files/files/etc/uci-defaults/14_network-generate-clientid
index 70da185c20..11806dd19c 100644
--- a/package/base-files/files/etc/uci-defaults/14_network-generate-clientid
+++ b/package/base-files/files/etc/uci-defaults/14_network-generate-clientid
@@ -2,7 +2,7 @@
 
 uci -q batch <<-EOF >/dev/null
 	# DUID-UUID - RFC6355
-	set network.globals.dhcp_default_duid="$(hexdump -vn 16 -e '"0004" 2/2 "%x"' /dev/urandom)"
+	set network.globals.dhcp_default_duid="$(printf '%s%s' '0004' $(cat /proc/sys/kernel/random/uuid | sed -e 's/-//g'))"
 	commit network
 EOF