diff --git a/app/views/layouts/base.rhtml b/app/views/layouts/base.rhtml
index d3f63ede6a1f46aeea22f2616864cb4b07cef157..1873191c07584f45517ae4b97d19c7ada4fff54b 100644
--- a/app/views/layouts/base.rhtml
+++ b/app/views/layouts/base.rhtml
@@ -41,9 +41,11 @@
     
     <h1><%= page_header_title %></h1>
     
+    <% if display_main_menu?(@project) %>
     <div id="main-menu">
         <%= render_main_menu(@project) %>
     </div>
+    <% end %>
 </div>
 
 <%= tag('div', {:id => 'main', :class => (has_content?(:sidebar) ? '' : 'nosidebar')}, true) %>
diff --git a/lib/redmine/menu_manager.rb b/lib/redmine/menu_manager.rb
index 34cea79fa089ffde8a643e5209028ba0305f0d9e..4094a9c14ec4bcc94c424842f11fc7d01c922aee 100644
--- a/lib/redmine/menu_manager.rb
+++ b/lib/redmine/menu_manager.rb
@@ -166,6 +166,11 @@ module Redmine
         render_menu((project && !project.new_record?) ? :project_menu : :application_menu, project)
       end
       
+      def display_main_menu?(project)
+        menu_name = project && !project.new_record? ? :project_menu : :application_menu
+        Redmine::MenuManager.items(menu_name).size > 1 # 1 element is the root
+      end
+
       def render_menu(menu, project=nil)
         links = []
         menu_items_for(menu, project) do |node|