diff --git a/src/Microsoft.AspNet.Cors/CorsServiceCollectionExtensions.cs b/src/Microsoft.AspNet.Cors/CorsServiceCollectionExtensions.cs index 08b7928b74..3a683d03d2 100644 --- a/src/Microsoft.AspNet.Cors/CorsServiceCollectionExtensions.cs +++ b/src/Microsoft.AspNet.Cors/CorsServiceCollectionExtensions.cs @@ -23,8 +23,7 @@ namespace Microsoft.Extensions.DependencyInjection { throw new ArgumentNullException(nameof(serviceCollection)); } - - serviceCollection.AddOptions(); + serviceCollection.TryAdd(ServiceDescriptor.Transient()); serviceCollection.TryAdd(ServiceDescriptor.Transient()); return serviceCollection;