diff --git a/Src/Newtonsoft.Json.Tests/Serialization/TypeNameHandlingTests.cs b/Src/Newtonsoft.Json.Tests/Serialization/TypeNameHandlingTests.cs
index fbb09e72..0bfd6974 100644
--- a/Src/Newtonsoft.Json.Tests/Serialization/TypeNameHandlingTests.cs
+++ b/Src/Newtonsoft.Json.Tests/Serialization/TypeNameHandlingTests.cs
@@ -1000,7 +1000,7 @@ namespace Newtonsoft.Json.Tests.Serialization
       public override void BindToName(Type serializedType, out string assemblyName, out string typeName)
       {
         assemblyName = "AssemblyName";
-        typeName = ":::" + serializedType.Name.ToUpper(CultureInfo.InvariantCulture) + ":::";
+        typeName = ":::" + serializedType.Name.ToUpper() + ":::";
       }
     }
 #endif