diff --git a/lib/proposals_discussion_plugin.rb b/lib/proposals_discussion_plugin.rb
index dbe6db5..6c38b33 100644
--- a/lib/proposals_discussion_plugin.rb
+++ b/lib/proposals_discussion_plugin.rb
@@ -17,13 +17,15 @@ class ProposalsDiscussionPlugin < Noosfero::Plugin
       types = []
       parent_id = context.params[:parent_id] || (context.params[:article][:parent_id] unless context.params[:article].nil?)
       parent = parent_id.present? ? context.profile.articles.find(parent_id) : nil
-      types << ProposalsDiscussionPlugin::Response
       types << ProposalsDiscussionPlugin::Discussion
       types << ProposalsDiscussionPlugin::Topic if parent.kind_of?(ProposalsDiscussionPlugin::Discussion)
       if parent.kind_of?(ProposalsDiscussionPlugin::Topic) || ( parent.kind_of?(ProposalsDiscussionPlugin::Discussion) && !parent.allow_topics)
         types << ProposalsDiscussionPlugin::Proposal
         types << ProposalsDiscussionPlugin::Story
       end
+      if parent.kind_of?(ProposalsDiscussionPlugin::Proposal)
+        types << ProposalsDiscussionPlugin::Response
+      end
       types
     else
       [ProposalsDiscussionPlugin::Discussion,
--
libgit2 0.21.2