C# Generic Where

Problem.cs

// Classes included for clarity

public class MovieList
{
    IEnumerable<IMovie> Movies { get; set; }
}

public class Api<T> where T : IMovie
{
    public IEnumerable<T> GetMovies()
    {
        // Boring implementation details
    }
}

public class AppSetup()
{
    // This is where the problem is
    private void BuildMovies<T>() where T : IMovie
    {
        // Getting an error here where cannot convert IEnumerable<T> to IEnumerable<IMovie>
        // I would think the "where" would take care of that. Any thoughts?
        MovieList list = new MovieList { Movies = Api.GetMovies<T>() };
    }
}