diff --git a/test/functional/issues_controller_test.rb b/test/functional/issues_controller_test.rb
index 488edde6d..ec07c8577 100644
--- a/test/functional/issues_controller_test.rb
+++ b/test/functional/issues_controller_test.rb
@@ -46,7 +46,7 @@ class IssuesControllerTest < Redmine::ControllerTest
            :queries,
            :repositories,
            :changesets,
-           :watchers
+           :watchers, :groups_users
 
   include Redmine::I18n