diff --git a/lib/proposals_discussion_plugin/proposal_task.rb b/lib/proposals_discussion_plugin/proposal_task.rb
index bec5af4..280f459 100644
--- a/lib/proposals_discussion_plugin/proposal_task.rb
+++ b/lib/proposals_discussion_plugin/proposal_task.rb
@@ -131,6 +131,7 @@ class ProposalsDiscussionPlugin::ProposalTask < Task
 
   def article_parent=(parent)
     @article_parent = parent
+    article_parent_id = parent.id unless parent.nil?
   end
 
   def article_parent
--
libgit2 0.21.2