diff --git a/apps/establishment/serializers/back.py b/apps/establishment/serializers/back.py
index 3c218ed0..cbedea4b 100644
--- a/apps/establishment/serializers/back.py
+++ b/apps/establishment/serializers/back.py
@@ -255,6 +255,7 @@ class EstablishmentRUDSerializer(model_serializers.EstablishmentBaseSerializer):
             'status',
             'status_display',
             'last_review',
+            'must_of_the_week',
         ]
 
     def to_representation(self, instance):
diff --git a/apps/utils/models.py b/apps/utils/models.py
index 06a1bf99..e61651b2 100644
--- a/apps/utils/models.py
+++ b/apps/utils/models.py
@@ -518,6 +518,7 @@ def default_menu_bool_array():
 
 class PhoneModelMixin:
     """Mixin for PhoneNumberField."""
+
     @cached_property
     def country_calling_code(self):
         """Return phone code from PhonеNumberField."""
@@ -546,10 +547,13 @@ class CarouselMixin:
         """Detects whether current item in carousel"""
         from main.models import Carousel
 
-        if hasattr(self, 'pk') and hasattr(self, 'country'):
+        if hasattr(self, 'pk') and (hasattr(self, 'country') or hasattr(self, 'country_id')):
             kwargs = {
                 'content_type': ContentType.objects.get_for_model(self),
                 'object_id': self.pk,
-                'country': self.country,
+                'country': getattr(self, 'country', getattr(self, 'country_id', None)),
             }
-            return Carousel.objects.filter(**kwargs).exists()
\ No newline at end of file
+
+            return Carousel.objects.filter(**kwargs).exists()
+
+        return False