From 8a385a55d0340792a42a719ccaf79d1d543f226c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Damian=20B=C3=BCchel?= <damian.buechel@let.ethz.ch>
Date: Tue, 8 Sep 2020 15:32:45 +0200
Subject: [PATCH] Ensured missing content type does not crash network resource
 loader.

---
 .../DataResources/NetworkResourceLoader.cs                      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/SafeExamBrowser.Configuration/DataResources/NetworkResourceLoader.cs b/SafeExamBrowser.Configuration/DataResources/NetworkResourceLoader.cs
index 6010c006..43483b8f 100644
--- a/SafeExamBrowser.Configuration/DataResources/NetworkResourceLoader.cs
+++ b/SafeExamBrowser.Configuration/DataResources/NetworkResourceLoader.cs
@@ -146,7 +146,7 @@ namespace SafeExamBrowser.Configuration.DataResources
 		/// </remarks>
 		private bool HasHtmlContent(HttpResponseMessage response)
 		{
-			return response.Content.Headers.ContentType.MediaType == MediaTypeNames.Text.Html;
+			return response.Content.Headers.ContentType?.MediaType == MediaTypeNames.Text.Html;
 		}
 
 		private bool IsAvailable(Uri resource)