diff --git a/apps/ops/serializers/adhoc.py b/apps/ops/serializers/adhoc.py
index 4b72860e5..4c73a01ea 100644
--- a/apps/ops/serializers/adhoc.py
+++ b/apps/ops/serializers/adhoc.py
@@ -15,5 +15,5 @@ class AdHocSerializer(ScopeSerializerMixin, CommonBulkModelSerializer):
 
     class Meta:
         model = AdHoc
-        read_only_field = ["id", "creator", "date_created", "date_updated"]
+        read_only_field = ["id", "creator", "date_created", "date_updated", "created_by"]
         fields = read_only_field + ["id", "name", "scope", "module", "args", "comment"]
diff --git a/apps/ops/serializers/playbook.py b/apps/ops/serializers/playbook.py
index c157251a6..e22e33068 100644
--- a/apps/ops/serializers/playbook.py
+++ b/apps/ops/serializers/playbook.py
@@ -25,7 +25,7 @@ class PlaybookSerializer(ScopeSerializerMixin, CommonBulkModelSerializer):
 
     class Meta:
         model = Playbook
-        read_only_fields = ["id", "date_created", "date_updated"]
+        read_only_fields = ["id", "date_created", "date_updated", "created_by"]
         fields = read_only_fields + [
             "id", 'path', 'scope', "name", "comment", "creator",
             'create_method', 'vcs_url',