diff --git a/package/lean/luci-app-zerotier/root/etc/zerotier.start b/package/lean/luci-app-zerotier/root/etc/zerotier.start
index 6af1931cae..b43e5f9740 100755
--- a/package/lean/luci-app-zerotier/root/etc/zerotier.start
+++ b/package/lean/luci-app-zerotier/root/etc/zerotier.start
@@ -22,7 +22,7 @@ echo "${zt0}" > "/tmp/zt.nif"
 		iptables -I FORWARD -i "$i" -j ACCEPT
 		iptables -I FORWARD -o "$i" -j ACCEPT
 		iptables -t nat -I POSTROUTING -o "$i" -j MASQUERADE
-		ip_segment="$(ip route | grep "dev $i proto" | awk '{print $1}')"
+		ip_segment="$(ip route | grep "dev $i proto kernel" | awk '{print $1}')"
 		iptables -t nat -I POSTROUTING -s "${ip_segment}" -j MASQUERADE
 	done
 }