diff --git a/app/models/article.rb b/app/models/article.rb
index 27f669a..1a45595 100644
--- a/app/models/article.rb
+++ b/app/models/article.rb
@@ -278,7 +278,6 @@ class Article < ActiveRecord::Base
     :id,
     :profile_id,
     :parent_id,
-    :slug,
     :path,
     :updated_at,
     :created_at,
diff --git a/test/unit/article_test.rb b/test/unit/article_test.rb
index 452c849..459bccc 100644
--- a/test/unit/article_test.rb
+++ b/test/unit/article_test.rb
@@ -571,6 +571,12 @@ class ArticleTest < Test::Unit::TestCase
     assert_kind_of Folder, b
   end
 
+  should 'copy slug' do
+    a = fast_create(Article, :slug => 'slug123')
+    b = a.copy({})
+    assert_equal a.slug, b.slug
+  end
+
   should 'load article under an old path' do
     p = create_user('test_user').person
     a = p.articles.create(:name => 'old-name')
--
libgit2 0.21.2