diff --git a/apps/news/serializers.py b/apps/news/serializers.py
index 564cd2c9..6e9781db 100644
--- a/apps/news/serializers.py
+++ b/apps/news/serializers.py
@@ -207,7 +207,7 @@ class NewsBackOfficeBaseSerializer(NewsBaseSerializer):
     """News back office base serializer."""
     is_published = serializers.BooleanField(source='is_publish', read_only=True)
     descriptions = serializers.ListField(required=False)
-    agenda = AgendaSerializer()
+    agenda = AgendaSerializer(required=False, allow_null=True)
 
     class Meta(NewsBaseSerializer.Meta):
         """Meta class."""