diff --git a/plugins/elasticsearch/helpers/elasticsearch_helper.rb b/plugins/elasticsearch/helpers/elasticsearch_helper.rb
index 53aed65..8aa76c3 100644
--- a/plugins/elasticsearch/helpers/elasticsearch_helper.rb
+++ b/plugins/elasticsearch/helpers/elasticsearch_helper.rb
@@ -37,7 +37,7 @@ module ElasticsearchHelper
   def search_from_all_models
     begin
       filter = (params[:filter] || "" ).to_sym
-      query = get_query params[:query], sort_by: get_sort_by(filter)
+      query = get_query params[:query], sort_by: get_sort_by(filter), categories: params[:categories]
       Elasticsearch::Model.search(query,searchable_models, size: default_per_page(params[:per_page])).page(params[:page]).records
     rescue
       []
diff --git a/plugins/elasticsearch/public/javascripts/categories.js b/plugins/elasticsearch/public/javascripts/categories.js
index 9906de1..6cad80e 100644
--- a/plugins/elasticsearch/public/javascripts/categories.js
+++ b/plugins/elasticsearch/public/javascripts/categories.js
@@ -4,8 +4,8 @@ var main = function() {
   var url = window.location.href;
   var indexOfCategories;
 
-  url = url.replace(/categories.*/g, "");
-  url += "categories=";
+  url = url.replace(/&categories.*/g, "");
+  url += "&categories=";
 
   $(".categories ul li input[checked]").map(function(idx, element) {
     categories.push(element.value);
--
libgit2 0.21.2