diff --git a/app/models/comment.rb b/app/models/comment.rb
index 8b68e11ad..a0cb343d7 100644
--- a/app/models/comment.rb
+++ b/app/models/comment.rb
@@ -3,7 +3,7 @@ class Comment < ActiveRecord::Base
   include HasPublicAuthor
   include Graphqlable
 
-  COMMENTABLE_TYPES = %w(Debate Proposal Budget::Investment Poll::Question Legislation::Question Legislation::Annotation Topic).freeze
+  COMMENTABLE_TYPES = %w(Debate Proposal Budget::Investment Poll::Question Legislation::Question Legislation::Annotation Topic Legislation::Proposal).freeze
 
   acts_as_paranoid column: :hidden_at
   include ActsAsParanoidAliases