diff --git a/src/Microsoft.AspNetCore.SignalR.Core/HubOptions.cs b/src/Microsoft.AspNetCore.SignalR.Core/HubOptions.cs
index 830056bbdd..b1d6f40cdd 100644
--- a/src/Microsoft.AspNetCore.SignalR.Core/HubOptions.cs
+++ b/src/Microsoft.AspNetCore.SignalR.Core/HubOptions.cs
@@ -7,6 +7,6 @@ namespace Microsoft.AspNetCore.SignalR
 {
     public class HubOptions
     {
-        public JsonSerializerSettings JsonSerializerSettings { get; set; }
+        public JsonSerializerSettings JsonSerializerSettings { get; set; } = new JsonSerializerSettings();
     }
 }
diff --git a/test/Microsoft.AspNetCore.SignalR.Client.FunctionalTests/Hubs.cs b/test/Microsoft.AspNetCore.SignalR.Client.FunctionalTests/Hubs.cs
index 33daaa4202..c95608b0cf 100644
--- a/test/Microsoft.AspNetCore.SignalR.Client.FunctionalTests/Hubs.cs
+++ b/test/Microsoft.AspNetCore.SignalR.Client.FunctionalTests/Hubs.cs
@@ -4,7 +4,6 @@
 using System;
 using System.Reactive.Linq;
 using System.Threading.Tasks;
-using Microsoft.CSharp;
 
 namespace Microsoft.AspNetCore.SignalR.Client.FunctionalTests
 {
diff --git a/test/Microsoft.AspNetCore.SignalR.Tests/SignalRDependencyInjectionExtensionsTests.cs b/test/Microsoft.AspNetCore.SignalR.Tests/SignalRDependencyInjectionExtensionsTests.cs
new file mode 100644
index 0000000000..a4f834f97d
--- /dev/null
+++ b/test/Microsoft.AspNetCore.SignalR.Tests/SignalRDependencyInjectionExtensionsTests.cs
@@ -0,0 +1,23 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Options;
+using Xunit;
+
+namespace Microsoft.AspNetCore.SignalR.Tests
+{
+    public class SignalRDependencyInjectionExtensionsTests
+    {
+        [Fact]
+        public void JSonSerializerSettingsShouldNotBeNullInOptions()
+        {
+            var services = new ServiceCollection();
+            services.AddOptions();
+            services.AddSignalR();
+            var serviceProvider = services.BuildServiceProvider();
+            var hubOptions = serviceProvider.GetService<IOptions<HubOptions>>();
+            Assert.NotNull(hubOptions.Value.JsonSerializerSettings);
+        }
+    }
+}