diff --git a/test/unit/repository_cvs_test.rb b/test/unit/repository_cvs_test.rb
index 2d475d655..d10e99a25 100644
--- a/test/unit/repository_cvs_test.rb
+++ b/test/unit/repository_cvs_test.rb
@@ -20,8 +20,7 @@ require 'pp'
 class RepositoryCvsTest < ActiveSupport::TestCase
   fixtures :projects
 
-  # No '..' in the repository path
-  REPOSITORY_PATH = RAILS_ROOT.gsub(%r{config\/\.\.}, '') + '/tmp/test/cvs_repository'
+  REPOSITORY_PATH = Rails.root.join('tmp/test/cvs_repository').to_s
   REPOSITORY_PATH.gsub!(/\//, "\\") if Redmine::Platform.mswin?
   # CVS module
   MODULE_NAME    = 'test'