diff --git a/lib/noosfero/api/v1/search.rb b/lib/noosfero/api/v1/search.rb
index 00dec52..1b0005c 100644
--- a/lib/noosfero/api/v1/search.rb
+++ b/lib/noosfero/api/v1/search.rb
@@ -20,13 +20,13 @@ module Noosfero
               scope = scope.where(:type => params[:type]) if params[:type] && !(params[:type] == 'Article')
 
               scope = scope.where(:parent_id => params[:parent_id]) if params[:parent_id].present?
-              
-              category = environment.categories.find(params[:category]) unless params[:category].nil?
 
+              scope = scope.joins(:categories).where(:categories => {:id => params[:category_ids]}) if params[:category_ids].present?
+              
               query = params[:query] || ""             
               order = "more_recent"
 
-              options = {:filter => order, :template_id => params[:template_id], :category => category}            
+              options = {:filter => order, :template_id => params[:template_id]}
 
               search_result = find_by_contents(asset, context, scope, query, paginate_options, options)
 
diff --git a/test/unit/api/search_test.rb b/test/unit/api/search_test.rb
index aa47c5f..cb080e5 100644
--- a/test/unit/api/search_test.rb
+++ b/test/unit/api/search_test.rb
@@ -113,10 +113,26 @@ class SearchTest < ActiveSupport::TestCase
     article = fast_create(Article, :profile_id => person.id)
     category = fast_create(Category)
     article.categories<< category
-    get "/api/v1/search/article?category=#{category.id}"
+    get "/api/v1/search/article?category_ids=#{category.id}"
     json = JSON.parse(last_response.body)
     assert_equal 1, json['articles'].count
     assert_equal article.id, json['articles'].first["id"]
   end  
 
+  should 'search filter by more than one category' do
+    Article.delete_all
+    fast_create(Article, :profile_id => person.id)
+    article1 = fast_create(Article, :profile_id => person.id)
+    article2 = fast_create(Article, :profile_id => person.id)
+    category1 = fast_create(Category)
+    category2 = fast_create(Category)
+    article1.categories<< category1
+    article2.categories<< category2
+    get "/api/v1/search/article?category_ids[]=#{category1.id}&category_ids[]=#{category2.id}"
+    json = JSON.parse(last_response.body)
+    assert_equal 2, json['articles'].count
+    assert_equal article1.id, json['articles'].first["id"]
+    assert_equal article2.id, json['articles'].last["id"]
+  end  
+
 end
--
libgit2 0.21.2