diff --git a/app/controllers/api/v1/lists_controller.rb b/app/controllers/api/v1/lists_controller.rb
index 054172bee..e5ac45fef 100644
--- a/app/controllers/api/v1/lists_controller.rb
+++ b/app/controllers/api/v1/lists_controller.rb
@@ -38,6 +38,6 @@ class Api::V1::ListsController < Api::BaseController
   end
 
   def list_params
-    params.permit(:title)
+    params.permit(:title, :replies_policy)
   end
 end
diff --git a/app/serializers/rest/list_serializer.rb b/app/serializers/rest/list_serializer.rb
index 977da7439..3e87f7119 100644
--- a/app/serializers/rest/list_serializer.rb
+++ b/app/serializers/rest/list_serializer.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class REST::ListSerializer < ActiveModel::Serializer
-  attributes :id, :title
+  attributes :id, :title, :replies_policy
 
   def id
     object.id.to_s