Pattern for haystack with a custom form and login_required

urls.py

from haystack.views import SearchView
from django.contrib.auth.decorators import login_required
from apps.informationgathering.forms import RtSearchForm

.
.
.

urlpatterns += patterns('haystack.views',
    url(r'^$', login_required(SearchView(
            form_class=RtSearchForm
        )), name='haystack_search'),
)