diff --git a/lib/proposals_discussion_plugin/api.rb b/lib/proposals_discussion_plugin/api.rb
index 1d21d5f..da8257d 100644
--- a/lib/proposals_discussion_plugin/api.rb
+++ b/lib/proposals_discussion_plugin/api.rb
@@ -27,7 +27,7 @@ class ProposalsDiscussionPlugin::API < Grape::API
 
       proposal_task = ProposalsDiscussionPlugin::ProposalTask.new
       proposal_task.article = params[:article]
-      proposal_task.article[:parent_id] = parent_article.id
+      proposal_task.article_parent_id = parent_article.id
       proposal_task.target = parent_article.profile
       proposal_task.requestor = current_person
 
diff --git a/test/unit/api_test.rb b/test/unit/api_test.rb
index 92a593f..e352fd3 100644
--- a/test/unit/api_test.rb
+++ b/test/unit/api_test.rb
@@ -37,7 +37,7 @@ class APITest <  ActiveSupport::TestCase
   should 'suggest article children' do
     discussion = fast_create(ProposalsDiscussionPlugin::Discussion, :profile_id => user.person.id)
     topic = fast_create(ProposalsDiscussionPlugin::Topic, :profile_id => user.person.id, :parent_id => discussion.id)
-    params[:article] = {:name => "Proposal name", :body => "Proposal body"}
+    params[:article] = {:name => "Proposal name", :abstract => "Proposal abstract", :type => 'ProposalsDiscussionPlugin::Proposal'}
     assert_difference "ProposalsDiscussionPlugin::ProposalTask.count" do
       post "/api/v1/proposals_discussion_plugin/#{topic.id}/propose?#{params.to_query}"
     end
--
libgit2 0.21.2