diff --git a/plugins/elasticsearch/controllers/elasticsearch_plugin_controller.rb b/plugins/elasticsearch/controllers/elasticsearch_plugin_controller.rb
index 6098ec9..f7ccdb1 100644
--- a/plugins/elasticsearch/controllers/elasticsearch_plugin_controller.rb
+++ b/plugins/elasticsearch/controllers/elasticsearch_plugin_controller.rb
@@ -1,8 +1,10 @@
 require_relative '../helpers/elasticsearch_helper'
+require_relative '../helpers/elasticsearch_plugin_helper'
 
 class ElasticsearchPluginController < ApplicationController
   no_design_blocks
   include ElasticsearchHelper
+  helper ElasticsearchPluginHelper
 
   def index
     search()
@@ -12,6 +14,7 @@ class ElasticsearchPluginController < ApplicationController
   def search
     define_searchable_types
     define_sort_types
+    define_categories
     define_results
   end
 
@@ -31,4 +34,8 @@ class ElasticsearchPluginController < ApplicationController
     @selected_sort = (params[:filter] || :relevance).to_sym
   end
 
+  def define_categories
+    @categories = Category.where(parent: nil)
+  end
+
 end
diff --git a/plugins/elasticsearch/helpers/elasticsearch_plugin_helper.rb b/plugins/elasticsearch/helpers/elasticsearch_plugin_helper.rb
new file mode 100644
index 0000000..d4ae4f3
--- /dev/null
+++ b/plugins/elasticsearch/helpers/elasticsearch_plugin_helper.rb
@@ -0,0 +1,20 @@
+module ElasticsearchPluginHelper
+
+  def render_categories collection
+    content_tag :ul, class: "category-ident" do
+      if collection.respond_to? :each
+        collection.collect do |item|
+          concat ("<li>".html_safe)
+          concat (check_box_tag item.name)
+          concat (item.name)
+          concat (render_categories item.children) if item.children_count
+          concat ("</li>".html_safe)
+        end
+      else
+        check_box_tag collection.name
+        content_tag :li, collection.name
+      end
+    end
+  end
+
+end
diff --git a/plugins/elasticsearch/lib/ext/text_article.rb b/plugins/elasticsearch/lib/ext/text_article.rb
index bd65f03..5021ffa 100644
--- a/plugins/elasticsearch/lib/ext/text_article.rb
+++ b/plugins/elasticsearch/lib/ext/text_article.rb
@@ -11,7 +11,7 @@ class TextArticle
   def self.control_fields
     {
       :advertise      => { type: :boolean },
-      :published      => { type: 'boolean'},
+      :published      => { type: :boolean },
       :comments_count => { type: :integer },
       :hits           => { type: :integer },
       :profile        => { type: :nested , hash: NestedProfile.hash }
diff --git a/plugins/elasticsearch/public/style.css b/plugins/elasticsearch/public/style.css
index 62e1641..15f17a9 100644
--- a/plugins/elasticsearch/public/style.css
+++ b/plugins/elasticsearch/public/style.css
@@ -50,6 +50,7 @@
   font-size: 18px;
 }
 
+.controller-elasticsearch_plugin #content-inner .categories,
 .controller-elasticsearch_plugin #content-inner .search-filter,
 .controller-elasticsearch_plugin #content-inner ul.search-options {
   background: #fff;
@@ -145,3 +146,6 @@
   text-decoration: none;
 }
 
+.controller-elasticsearch_plugin #content-inner .categories .category-ident {
+  margin-left: 10px;
+}
diff --git a/plugins/elasticsearch/views/elasticsearch_plugin/search.html.erb b/plugins/elasticsearch/views/elasticsearch_plugin/search.html.erb
index fa2226c..4c0d2b3 100644
--- a/plugins/elasticsearch/views/elasticsearch_plugin/search.html.erb
+++ b/plugins/elasticsearch/views/elasticsearch_plugin/search.html.erb
@@ -41,6 +41,11 @@
           <% end %>
         </ul>
       </div>
+
+      <div class="categories">
+        <h3 class="box-title"><%= _("Categories") %></h3>
+        <%= render_categories @categories %>
+      </div>
     </div>
 
     <div class="results">
@@ -59,5 +64,6 @@
         <%= pagination_links @results if @results.count > 0 %>
       </div>
     </div>
+
   </div>
 </div>
--
libgit2 0.21.2