diff --git a/django/views/generic/dates.py b/django/views/generic/dates.py
index c10db3004d6..a8391d956e0 100644
--- a/django/views/generic/dates.py
+++ b/django/views/generic/dates.py
@@ -459,7 +459,8 @@ class BaseDateDetailView(YearMixin, MonthMixin, DayMixin, DateMixin, BaseDetailV
                                  month, self.get_month_format(),
                                  day, self.get_day_format())
 
-        qs = self.get_queryset()
+        # Use a custom queryset if provided
+        qs = queryset or self.get_queryset()
 
         if not self.get_allow_future() and date > datetime.date.today():
             raise Http404(_(u"Future %(verbose_name_plural)s not available because %(class_name)s.allow_future is False.") % {
diff --git a/tests/regressiontests/generic_views/dates.py b/tests/regressiontests/generic_views/dates.py
index f86e1cd5be9..a0dd867e71c 100644
--- a/tests/regressiontests/generic_views/dates.py
+++ b/tests/regressiontests/generic_views/dates.py
@@ -412,3 +412,19 @@ class DateDetailViewTests(TestCase):
     def test_invalid_url(self):
         self.assertRaises(AttributeError, self.client.get, "/dates/books/2008/oct/01/nopk/")
 
+    def test_get_object_custom_queryset(self):
+        """
+        Ensure that custom querysets are used when provided to
+        BaseDateDetailView.get_object()
+        Refs #16918.
+        """
+        res = self.client.get(
+            '/dates/books/get_object_custom_queryset/2006/may/01/2/')
+        self.assertEqual(res.status_code, 200)
+        self.assertEqual(res.context['object'], Book.objects.get(pk=2))
+        self.assertEqual(res.context['book'], Book.objects.get(pk=2))
+        self.assertTemplateUsed(res, 'generic_views/book_detail.html')
+
+        res = self.client.get(
+            '/dates/books/get_object_custom_queryset/2008/oct/01/1/')
+        self.assertEqual(res.status_code, 404)
diff --git a/tests/regressiontests/generic_views/urls.py b/tests/regressiontests/generic_views/urls.py
index 0f725d8fde4..c5c63eec254 100644
--- a/tests/regressiontests/generic_views/urls.py
+++ b/tests/regressiontests/generic_views/urls.py
@@ -216,6 +216,9 @@ urlpatterns = patterns('',
     (r'^dates/books/(?P<year>\d{4})/(?P<month>[a-z]{3})/(?P<day>\d{1,2})/byslug/(?P<slug>[\w-]+)/$',
         views.BookDetail.as_view()),
 
+    (r'^dates/books/get_object_custom_queryset/(?P<year>\d{4})/(?P<month>[a-z]{3})/(?P<day>\d{1,2})/(?P<pk>\d+)/$',
+        views.BookDetailGetObjectCustomQueryset.as_view()),
+
     # Useful for testing redirects
     (r'^accounts/login/$',  'django.contrib.auth.views.login')
 )
diff --git a/tests/regressiontests/generic_views/views.py b/tests/regressiontests/generic_views/views.py
index 0c8fd49ff69..00d00219a42 100644
--- a/tests/regressiontests/generic_views/views.py
+++ b/tests/regressiontests/generic_views/views.py
@@ -177,3 +177,8 @@ class BookDetail(BookConfig, generic.DateDetailView):
 class AuthorGetQuerySetFormView(generic.edit.ModelFormMixin):
     def get_queryset(self):
         return Author.objects.all()
+
+class BookDetailGetObjectCustomQueryset(BookDetail):
+    def get_object(self, queryset=None):
+        return super(BookDetailGetObjectCustomQueryset,self).get_object(
+            queryset=Book.objects.filter(pk=2))