diff --git a/src/Microsoft.AspNet.Mvc.Formatters.Xml/MvcOptionsExtensions.cs b/src/Microsoft.AspNet.Mvc.Formatters.Xml/MvcOptionsExtensions.cs
index f34cf1efdc..0254e0d912 100644
--- a/src/Microsoft.AspNet.Mvc.Formatters.Xml/MvcOptionsExtensions.cs
+++ b/src/Microsoft.AspNet.Mvc.Formatters.Xml/MvcOptionsExtensions.cs
@@ -1,7 +1,6 @@
 // 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 System.Xml.Linq;
 using Microsoft.AspNet.Mvc.Formatters.Xml;
 using Microsoft.AspNet.Mvc.ModelBinding.Metadata;
 using Microsoft.Framework.Internal;
@@ -23,7 +22,7 @@ namespace Microsoft.AspNet.Mvc
             options.OutputFormatters.Add(new XmlDataContractSerializerOutputFormatter());
             options.InputFormatters.Add(new XmlDataContractSerializerInputFormatter());
 
-            options.ValidationExcludeFilters.Add(typeof(XObject));
+            options.ValidationExcludeFilters.Add(typeFullName: "System.Xml.Linq.XObject");
             options.ValidationExcludeFilters.Add(typeFullName: "System.Xml.XmlNode");
         }
     }
diff --git a/test/Microsoft.AspNet.Mvc.Test/MvcOptionsSetupTest.cs b/test/Microsoft.AspNet.Mvc.Test/MvcOptionsSetupTest.cs
index 4f4ef40676..ccffa5bb8e 100644
--- a/test/Microsoft.AspNet.Mvc.Test/MvcOptionsSetupTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Test/MvcOptionsSetupTest.cs
@@ -219,10 +219,10 @@ namespace Microsoft.AspNet.Mvc
                 = Assert.IsType<DefaultTypeBasedExcludeFilter>(mvcOptions.ValidationExcludeFilters[i++]);
             Assert.Equal(jTokenFilter.ExcludedType, typeof(JToken));
 
-            Assert.IsType(typeof(DefaultTypeBasedExcludeFilter), mvcOptions.ValidationExcludeFilters[i]);
+            Assert.IsType(typeof(DefaultTypeNameBasedExcludeFilter), mvcOptions.ValidationExcludeFilters[i]);
             var xObjectFilter
-                = Assert.IsType<DefaultTypeBasedExcludeFilter>(mvcOptions.ValidationExcludeFilters[i++]);
-            Assert.Equal(xObjectFilter.ExcludedType, typeof(XObject));
+                = Assert.IsType<DefaultTypeNameBasedExcludeFilter>(mvcOptions.ValidationExcludeFilters[i++]);
+            Assert.Equal(xObjectFilter.ExcludedTypeName, typeof(XObject).FullName);
 
             Assert.IsType(typeof(DefaultTypeNameBasedExcludeFilter), mvcOptions.ValidationExcludeFilters[i]);
             var xmlNodeFilter = 
diff --git a/test/WebSites/FiltersWebSite/project.json b/test/WebSites/FiltersWebSite/project.json
index c36c6087ed..bea19ba810 100644
--- a/test/WebSites/FiltersWebSite/project.json
+++ b/test/WebSites/FiltersWebSite/project.json
@@ -5,6 +5,7 @@
     },
     "dependencies": {
         "Kestrel": "1.0.0-*",
+        "Microsoft.AspNet.Authentication": "1.0.0-*",
         "Microsoft.AspNet.Mvc": "6.0.0-*",
         "Microsoft.AspNet.Mvc.Formatters.Xml": "6.0.0-*",
         "Microsoft.AspNet.Mvc.TestConfiguration": "1.0.0",