diff --git a/lib/noosfero/api/v1/comments.rb b/lib/noosfero/api/v1/comments.rb
index d38ac81..edbcba8 100644
--- a/lib/noosfero/api/v1/comments.rb
+++ b/lib/noosfero/api/v1/comments.rb
@@ -30,8 +30,8 @@ module Noosfero
           #  POST api/v1/articles/12/comments?private_token=2298743290432&body=new comment&title=New
           post ":id/comments" do
             article = find_article(environment.articles, params[:id])
-            options = params.select { |key,v| !['id','private_token'].include?(key) }.merge(:author => current_person)
-            present article.comments.create(options), :with => Entities::Comment
+            options = params.select { |key,v| !['id','private_token'].include?(key) }.merge(:author => current_person, :source => article)
+            present Comment.create(options), :with => Entities::Comment
           end
         end
 
diff --git a/test/unit/api/comments_test.rb b/test/unit/api/comments_test.rb
index 0a718ea..3f1bfbe 100644
--- a/test/unit/api/comments_test.rb
+++ b/test/unit/api/comments_test.rb
@@ -65,4 +65,17 @@ class CommentsTest < ActiveSupport::TestCase
     assert_equal 201, last_response.status
     assert_equal body, json['comment']['body']
   end
+
+  should 'comment creation define the source' do
+    amount = Comment.count
+    article = fast_create(Article, :profile_id => user.person.id, :name => "Some thing")
+    body = 'My comment'
+    params.merge!({:body => body})
+
+    post "/api/v1/articles/#{article.id}/comments?#{params.to_query}"
+    assert_equal amount + 1, Comment.count
+    comment = Comment.last
+    assert_not_nil comment.source
+  end
+
 end
--
libgit2 0.21.2