Ember.js Issue with double outlet rendering

application.handlebars

<h1>Ember Comitters</h1>
{{outlet poney}}
{{outlet}}

controllers.js

Yeomantest.ApplicationController = Ember.Controller.extend();

router.js

Yeomantest.Router = Ember.Router.extend({
    enableLogging: true,
    root: Ember.Route.extend({
        contributors: Ember.Route.extend({
            route: '/',
            showContributor: Ember.Route.transitionTo('contributor'),
            connectOutlets: function(router) {
                // If I comment this line, the contributors outlet is rendered only once, but if I let it as is, the contributors outlet is rendered twice.
                router.get('applicationController').connectOutlet('poney', 'poney');

                router.get('applicationController').connectOutlet('contributors', Yeomantest.Contributor.all());
            }
        }),
        // [...]
    })
}

views.js

Yeomantest.PoneyView = Ember.View.extend({
  templateName: 'poney'
});

Yeomantest.ApplicationView = Ember.View.extend({
  templateName: 'application'
});