diff --git a/Mvc.sln b/Mvc.sln
index 6099ee1a63..4336882098 100644
--- a/Mvc.sln
+++ b/Mvc.sln
@@ -57,6 +57,11 @@ Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Mvc.Header
 EndProject
 Project("{8BB2217D-0F2D-49D1-97BC-3654ED321F3B}") = "Microsoft.AspNet.Mvc.HeaderValueAbstractions.Tests", "test\Microsoft.AspNet.Mvc.HeaderValueAbstractions.Test\Microsoft.AspNet.Mvc.HeaderValueAbstractions.Tests.kproj", "{E69FD235-2042-43A4-9970-59CB29955B4E}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{FAD65E9C-3CF3-4F68-9757-C7358604030B}"
+	ProjectSection(SolutionItems) = preProject
+		global.json = global.json
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
diff --git a/src/Microsoft.AspNet.Mvc.Core/ActionResults/ChallengeResult.cs b/src/Microsoft.AspNet.Mvc.Core/ActionResults/ChallengeResult.cs
index a4ae477e5b..b8e3b060b0 100644
--- a/src/Microsoft.AspNet.Mvc.Core/ActionResults/ChallengeResult.cs
+++ b/src/Microsoft.AspNet.Mvc.Core/ActionResults/ChallengeResult.cs
@@ -46,7 +46,7 @@ namespace Microsoft.AspNet.Mvc
         public override void ExecuteResult([NotNull] ActionContext context)
         {
             var response = context.HttpContext.Response;
-            response.Challenge(AuthenticationTypes, Properties);
+            response.Challenge(Properties, AuthenticationTypes);
         }
     }
 }
diff --git a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs
index 5a59d5313f..145fd4afa6 100644
--- a/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs
+++ b/test/Microsoft.AspNet.Mvc.Core.Test/ActionResults/ChallengeResultTest.cs
@@ -29,7 +29,7 @@ namespace Microsoft.AspNet.Mvc.Core.Test.ActionResults
             result.ExecuteResult(actionContext);
 
             // Assert
-            httpResponse.Verify(c => c.Challenge(new string[] { }, null), Times.Exactly(1));
+            httpResponse.Verify(c => c.Challenge(null, (IEnumerable<string>)new string[] { }), Times.Exactly(1));
         }
     }
 }
\ No newline at end of file