diff --git a/src/Stormpath.AspNetCore/StormpathAuthenticationMiddleware.cs b/src/Stormpath.AspNetCore/StormpathAuthenticationMiddleware.cs
index 927b3db..29b0f7b 100644
--- a/src/Stormpath.AspNetCore/StormpathAuthenticationMiddleware.cs
+++ b/src/Stormpath.AspNetCore/StormpathAuthenticationMiddleware.cs
@@ -19,6 +19,7 @@
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using Microsoft.Extensions.Options;
 using Stormpath.Owin.Abstractions.Configuration;
 
@@ -64,7 +65,7 @@ public StormpathAuthenticationMiddleware(
             }
 
             _config = integrationConfiguration;
-            _logger = logger;
+            _logger = logger ?? NullLogger.Instance;
         }
 
         protected override AuthenticationHandler<StormpathAuthenticationOptions> CreateHandler()