From f4a43462980fec1ebce6a68cdecf52204523670d Mon Sep 17 00:00:00 2001
From: John Luo <johluo@microsoft.com>
Date: Thu, 2 Apr 2020 11:58:09 -0700
Subject: [PATCH] Because jkotalik told me to

---
 .../IIS/test/Common.FunctionalTests/ClientCertificateTests.cs   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Servers/IIS/IIS/test/Common.FunctionalTests/ClientCertificateTests.cs b/src/Servers/IIS/IIS/test/Common.FunctionalTests/ClientCertificateTests.cs
index b0847f84a1..5503c2b4fa 100644
--- a/src/Servers/IIS/IIS/test/Common.FunctionalTests/ClientCertificateTests.cs
+++ b/src/Servers/IIS/IIS/test/Common.FunctionalTests/ClientCertificateTests.cs
@@ -89,7 +89,7 @@ namespace Microsoft.AspNetCore.Server.IIS.FunctionalTests
             }
             catch (Exception ex)
             {
-                Logger.LogError($"Certificate is invalid. Issuer name: {cert.Issuer}");
+                Logger.LogError($"Certificate is invalid. Issuer name: {cert?.Issuer}");
                 using (var store = new X509Store(StoreName.Root, StoreLocation.LocalMachine))
                 {
                     Logger.LogError($"List of current certificates in root store:");