diff --git a/ModAssistant/Classes/Utils.cs b/ModAssistant/Classes/Utils.cs
index 80555759..19b38d38 100644
--- a/ModAssistant/Classes/Utils.cs
+++ b/ModAssistant/Classes/Utils.cs
@@ -442,9 +442,9 @@ public static void Log(string message, string severity = "LOG")
         public static async Task<string> Download(string link, string folder, string output, bool preferContentDisposition = false)
         {
             var resp = await HttpClient.GetAsync(link);
-            var cdFilename = resp.Content.Headers.ContentDisposition.FileName.Trim('"');
+            var cdFilename = resp.Content.Headers.ContentDisposition?.FileName?.Trim('"');
             // Prevent path traversal
-            if (cdFilename.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0)
+            if (cdFilename?.IndexOfAny(Path.GetInvalidFileNameChars()) >= 0)
             {
                 cdFilename = null;
             }