diff --git a/app/controllers/calendars_controller.rb b/app/controllers/calendars_controller.rb
index f2af5808..1115691a 100644
--- a/app/controllers/calendars_controller.rb
+++ b/app/controllers/calendars_controller.rb
@@ -1,4 +1,5 @@
 class CalendarsController < ApplicationController
+  menu_item :calendar
   before_filter :find_optional_project
 
   rescue_from Query::StatementInvalid, :with => :query_statement_invalid
diff --git a/lib/redmine.rb b/lib/redmine.rb
index d390cda2..073e52d2 100644
--- a/lib/redmine.rb
+++ b/lib/redmine.rb
@@ -184,6 +184,7 @@ Redmine::MenuManager.map :project_menu do |menu|
   menu.push :new_issue, { :controller => 'issues', :action => 'new' }, :param => :project_id, :caption => :label_issue_new,
               :html => { :accesskey => Redmine::AccessKeys.key_for(:new_issue) }
   menu.push :gantt, { :controller => 'gantts', :action => 'show' }, :param => :project_id, :caption => :label_gantt
+  menu.push :calendar, { :controller => 'calendars', :action => 'show' }, :param => :project_id, :caption => :label_calendar
   menu.push :news, { :controller => 'news', :action => 'index' }, :param => :project_id, :caption => :label_news_plural
   menu.push :documents, { :controller => 'documents', :action => 'index' }, :param => :project_id, :caption => :label_document_plural
   menu.push :wiki, { :controller => 'wiki', :action => 'index', :page => nil },