diff --git a/apps/booking/models/services.py b/apps/booking/models/services.py
index c7f0c928..fd685548 100644
--- a/apps/booking/models/services.py
+++ b/apps/booking/models/services.py
@@ -141,9 +141,9 @@ class LastableService(AbstractBookingService):
         super().check_whether_booking_available(restaurant_id, date)
         url = f'{self.url}v1/restaurant/{restaurant_id}/offers'
         r = requests.get(url, headers=self.get_common_headers(), proxies=self.proxies)
-        if not status.is_success(r.status_code):
-            return False
         response = json.loads(r.content)['data']
+        if not status.is_success(r.status_code) or not response:
+            return False
         self.response = response
         return True
 
diff --git a/apps/booking/views.py b/apps/booking/views.py
index 391c45d8..245dbf05 100644
--- a/apps/booking/views.py
+++ b/apps/booking/views.py
@@ -22,12 +22,12 @@ class CheckWhetherBookingAvailable(generics.GenericAPIView):
         date = request.query_params.get('date')
         g_service = GuestonlineService()
         l_service = LastableService()
-        if not establishment.lastable_id is None and l_service \
+        if (not establishment.lastable_id is None) and l_service \
                 .check_whether_booking_available(establishment.lastable_id, date):
             is_booking_available = True
             service = l_service
             service.service_id = establishment.lastable_id
-        elif not establishment.guestonline_id is None and g_service \
+        elif (not establishment.guestonline_id is None) and g_service \
                 .check_whether_booking_available(establishment.guestonline_id, date):
             is_booking_available = True
             service = g_service