From 2ae5781bea2437d65453b368df01bdaf7f97cf25 Mon Sep 17 00:00:00 2001
From: Tim Young <tim.young@lightsys.org>
Date: Sat, 23 Feb 2019 12:06:24 -0600
Subject: [PATCH] Don't crash when adding a NIC to a PC/server (Justin)

---
 EduNetworkBuilder/DeviceConfig.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/EduNetworkBuilder/DeviceConfig.cs b/EduNetworkBuilder/DeviceConfig.cs
index 01599b5..75a6d64 100644
--- a/EduNetworkBuilder/DeviceConfig.cs
+++ b/EduNetworkBuilder/DeviceConfig.cs
@@ -357,7 +357,7 @@ namespace EduNetworkBuilder
                         tnic = ndCLonedItem.AddNic(WhatToAdd[cbQuestions.SelectedIndex]);
                     }
                 }
-                if(tnet != null)
+                if(tnet != null && tnic != null)
                     tnet.RegisterNICAdded(ndCLonedItem.hostname, tnic.NicName());
             }
             UpdateForm();