From ec4bc6609455e17e2112b45d13d46d609152fab4 Mon Sep 17 00:00:00 2001
From: Jeroen Leenarts <jeroen.leenarts@gmail.com>
Date: Mon, 13 Aug 2018 13:46:56 +0200
Subject: [PATCH] Do not set MTU if none available or zero.

---
 WireGuardNetworkExtension/PacketTunnelProvider.swift | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/WireGuardNetworkExtension/PacketTunnelProvider.swift b/WireGuardNetworkExtension/PacketTunnelProvider.swift
index ffb7c2c..b411355 100644
--- a/WireGuardNetworkExtension/PacketTunnelProvider.swift
+++ b/WireGuardNetworkExtension/PacketTunnelProvider.swift
@@ -53,7 +53,7 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
                 let dnsSettings = NEDNSSettings(servers: splitDnsEntries)
                 newSettings.dnsSettings = dnsSettings
             }
-            if let mtu = mtu {
+            if let mtu = mtu, mtu.intValue > 0 {
                 newSettings.mtu = mtu
             }