Index: app/views/issues/_sidebar.rhtml
===================================================================
--- app/views/issues/_sidebar.rhtml	(revision 3750)
+++ app/views/issues/_sidebar.rhtml	(working copy)
@@ -6,7 +6,7 @@
 <%= call_hook(:view_issues_sidebar_issues_bottom) %>
 
 <% if User.current.allowed_to?(:view_calendar, @project, :global => true) %>
-	<%= link_to(l(:label_calendar), :controller => 'issues', :action => 'calendar', :project_id => @project) %><br />
+	<%= link_to(l(:label_calendar), :controller => 'calendars', :action => 'show', :project_id => @project) %><br />
 <% end %>
 <% if User.current.allowed_to?(:view_gantt, @project, :global => true) %>
 	<%= link_to(l(:label_gantt), :controller => 'gantts', :action => 'show', :project_id => @project) %><br />