diff --git a/plugins/calendar/calendar.php b/plugins/calendar/calendar.php
index 765dfd18..dc1a8474 100644
--- a/plugins/calendar/calendar.php
+++ b/plugins/calendar/calendar.php
@@ -225,6 +225,8 @@ class calendar extends rcube_plugin
     // initialize attendees autocompletion
     rcube_autocomplete_init();
 
+    $this->rc->output->set_env('calendar.driver', $this->rc->config->get('calendar_driver'), false);
+
     $this->rc->output->send("calendar.calendar");
   }
 
diff --git a/plugins/calendar/skins/default/templates/calendar.html b/plugins/calendar/skins/default/templates/calendar.html
index a6662799..066c2b20 100644
--- a/plugins/calendar/skins/default/templates/calendar.html
+++ b/plugins/calendar/skins/default/templates/calendar.html
@@ -33,8 +33,9 @@
   <ul>
     <li><roundcube:button command="calendar-edit" label="calendar.edit" classAct="active" /></li>
     <li><roundcube:button command="calendar-remove" label="calendar.remove" classAct="active" /></li>
-    <li class="separator_below"></li>
-    <li><roundcube:button command="folders" task="settings" type="link" label="managefolders" classAct="active" /></li>
+    <roundcube:if condition="env:calendar.driver == 'kolab'" />
+    <li class="separator_above"><roundcube:button command="folders" task="settings" type="link" label="managefolders" classAct="active" /></li>
+    <roundcube:endif />
   </ul>
 </div>