diff --git a/apps/advertisement/models.py b/apps/advertisement/models.py
index 5d335176..81b5dbb2 100644
--- a/apps/advertisement/models.py
+++ b/apps/advertisement/models.py
@@ -45,10 +45,8 @@ class Advertisement(ProjectBaseMixin):
     url = models.URLField(verbose_name=_('Ad URL'))
     block_level = models.CharField(verbose_name=_('Block level'), max_length=10, blank=True, null=True)
     target_languages = models.ManyToManyField(Language)
-    start = models.DateTimeField(null=True,
-                                 verbose_name=_('start'))
-    end = models.DateTimeField(blank=True, null=True, default=None,
-                               verbose_name=_('end'))
+    start = models.DateTimeField(null=True, verbose_name=_('start'))
+    end = models.DateTimeField(blank=True, null=True, default=None, verbose_name=_('end'))
     sites = models.ManyToManyField('main.SiteSettings',
                                    related_name='advertisements',
                                    verbose_name=_('site'))
diff --git a/apps/advertisement/urls/mobile.py b/apps/advertisement/urls/mobile.py
index f61003da..350aecd3 100644
--- a/apps/advertisement/urls/mobile.py
+++ b/apps/advertisement/urls/mobile.py
@@ -8,6 +8,7 @@ from .common import common_urlpatterns
 app_name = 'advertisements'
 
 urlpatterns = [
+    path('', views.AdvertisementPageTypeMobileListView.as_view(), name='list'),
     path('<page_type>/', views.AdvertisementPageTypeMobileListView.as_view(), name='list'),
 ]
 
diff --git a/apps/advertisement/views/common.py b/apps/advertisement/views/common.py
index 12702d4b..08f739ef 100644
--- a/apps/advertisement/views/common.py
+++ b/apps/advertisement/views/common.py
@@ -24,6 +24,10 @@ class AdvertisementPageTypeListView(AdvertisementBaseView, generics.ListAPIView)
     def get_queryset(self):
         """Overridden get queryset method."""
         product_type = self.kwargs.get('page_type')
+
+        if product_type is None:
+            product_type = 'mobile'
+
         qs = super(AdvertisementPageTypeListView, self).get_queryset()
         if product_type:
             return qs.by_page_type(product_type) \
diff --git a/apps/advertisement/views/mobile.py b/apps/advertisement/views/mobile.py
index 7ae2f688..6fdb95bd 100644
--- a/apps/advertisement/views/mobile.py
+++ b/apps/advertisement/views/mobile.py
@@ -16,4 +16,3 @@ class AdvertisementPageTypeMobileListView(AdvertisementPageTypeListView):
         qs = super().get_queryset().exclude(frequency_percentage__lte=percentage)
         qs.update(views_count=F('views_count') + 1)
         return qs
-