diff --git a/app/controllers/api/v1/filters_controller.rb b/app/controllers/api/v1/filters_controller.rb
index 02efd323b..a98080d1d 100644
--- a/app/controllers/api/v1/filters_controller.rb
+++ b/app/controllers/api/v1/filters_controller.rb
@@ -43,6 +43,6 @@ class Api::V1::FiltersController < Api::BaseController
   end
 
   def resource_params
-    params.permit(:phrase, :expires_at, :irreversible, context: [])
+    params.permit(:phrase, :expires_in, :irreversible, context: [])
   end
 end
diff --git a/app/serializers/rest/filter_serializer.rb b/app/serializers/rest/filter_serializer.rb
index 07f2516f8..51340aa79 100644
--- a/app/serializers/rest/filter_serializer.rb
+++ b/app/serializers/rest/filter_serializer.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
 class REST::FilterSerializer < ActiveModel::Serializer
-  attributes :id, :phrase, :context, :expires_at
+  attributes :id, :phrase, :context, :expires_at,
+             :irreversible
 end