diff --git a/apps/booking/views.py b/apps/booking/views.py
index 4dd76c65..06ef9273 100644
--- a/apps/booking/views.py
+++ b/apps/booking/views.py
@@ -86,6 +86,8 @@ class CheckWhetherBookingAvailable(generics.GenericAPIView):
             if establishment.guestonline_id is not None \
             else service.response if service else None
         response.update({'details': service_response})
+        if service_response is None:
+            response['available'] = False
         return Response(data=response, status=200)