diff --git a/apps/news/serializers.py b/apps/news/serializers.py
index 006ba112..9977f708 100644
--- a/apps/news/serializers.py
+++ b/apps/news/serializers.py
@@ -190,7 +190,8 @@ class NewsBackOfficeBaseSerializer(NewsBaseSerializer):
         extra_kwargs = {
             'backoffice_title': {'allow_null': False},
             'duplication_date': {'read_only': True},
-            'locale_to_description_is_active':  {'allow_null': False}
+            'locale_to_description_is_active':  {'allow_null': False},
+            'must_of_the_week':  {'allow_null': False},
         }
 
     def create(self, validated_data):