diff --git a/test/unit/helpers/projects_helper_test.rb b/test/unit/helpers/projects_helper_test.rb
index 02e6fd457..20f4283fe 100644
--- a/test/unit/helpers/projects_helper_test.rb
+++ b/test/unit/helpers/projects_helper_test.rb
@@ -22,6 +22,7 @@ class ProjectsHelperTest < ActionView::TestCase
   include ProjectsHelper
   include Redmine::I18n
   include ERB::Util
+  include Rails.application.routes.url_helpers
 
   fixtures :projects, :trackers, :issue_statuses, :issues,
            :enumerations, :users, :issue_categories,