diff --git a/config/application.rb b/config/application.rb
index 4cd7041..1397b77 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -49,6 +49,8 @@ module RedmineApp
 
     config.action_mailer.perform_deliveries = false
 
+    config.session_store :cookie_store, :key => '_redmine_session'
+
     if File.exists?(File.join(File.dirname(__FILE__), 'additional_environment.rb'))
       instance_eval File.read(File.join(File.dirname(__FILE__), 'additional_environment.rb'))
     end