diff --git a/fet2020/posts/serializers.py b/fet2020/posts/serializers.py
index c9714953..98605f7e 100644
--- a/fet2020/posts/serializers.py
+++ b/fet2020/posts/serializers.py
@@ -4,7 +4,7 @@ from rest_framework import serializers
 
 
 class PostSerializer(serializers.HyperlinkedModelSerializer):
-    agenda_html = serializers.CharField()
+    agenda_html = serializers.CharField(required=False)
 
     class Meta:
         model = Post
@@ -24,3 +24,6 @@ class PostSerializer(serializers.HyperlinkedModelSerializer):
             'agenda_html'
             # 'author',
         ]
+        extra_kwargs={
+            'agenda_html': {"required": False}
+        }