Interface without Default Constructor Error

I'm passing an interface to a controller action

public IActionResult PrepareTransfer(IInstrument instrument) {

In my DI container I have

services.AddTransient<IInstrument, Instrument>();

Right now both IInstrument and Instrument are just empty, so the default constructor on Instrument should be available

public class Instrument : IInstrument{}

public interface IInstrument{}

When I run the app I get the following error:

ArgumentException: Type 'G3.Instruments.IInstrument' does not have a default constructor Parameter name: type