diff --git a/test/unit/helpers/issues_helper_test.rb b/test/unit/helpers/issues_helper_test.rb
index 3869630..0bf063b 100644
--- a/test/unit/helpers/issues_helper_test.rb
+++ b/test/unit/helpers/issues_helper_test.rb
@@ -20,6 +20,7 @@ require File.expand_path('../../../test_helper', __FILE__)
 class IssuesHelperTest < ActionView::TestCase
   include ApplicationHelper
   include IssuesHelper
+  include ERB::Util
 
   fixtures :projects, :trackers, :issue_statuses, :issues,
            :enumerations, :users, :issue_categories,