Autofac Not working With Signalr

Ex

In my app_start:

            //SignalR.Autofac
            GlobalHost.DependencyResolver = new SignalR.Autofac.AutofacDependencyResolver(_container);
            RouteTable.Routes.MapHubs();

            DependencyResolver.SetResolver(new Autofac.Integration.Mvc.AutofacDependencyResolver(_container));

_container is ILifetimeScope

The Hub:

        public AutoCompleteHub(IOrganizationsDB organizationDB, ISession session)
        {
            _organizationsDB = organizationDB;
            _session = session;
            
        }



When I call any function within the hub that should be using DI, I receive: No parameterless constructor defined for this object.

Any ideas?