diff --git a/app/models/post_action_type.rb b/app/models/post_action_type.rb
index 48935123b03..ac4c92aa711 100644
--- a/app/models/post_action_type.rb
+++ b/app/models/post_action_type.rb
@@ -40,7 +40,7 @@ class PostActionType < ActiveRecord::Base
     end
 
     def flag_types
-      @flag_types ||= types.only(:off_topic, :spam, :inappropriate, :notify_moderators)
+      @flag_types ||= types.only(:off_topic, :spam, :inappropriate, :notify_user, :notify_moderators)
     end
 
     # flags resulting in mod notifications