diff --git a/content/tempus.js.php b/content/tempus.js.php
index c81bb164b..c839bc39a 100644
--- a/content/tempus.js.php
+++ b/content/tempus.js.php
@@ -483,6 +483,13 @@ function ResCheckShow()
 {
 	window.open('<?php echo APP_ROOT;?>vilesci/lehre/check/res_check.php', 'KollisionReservierung');
 }
+// ****
+// * Zeigt das Fenster zur Kollisionspruefung mit Reservierungen
+// ****
+function SyncLVPlan()
+{
+	window.open('<?php echo APP_ROOT;?>vilesci/lehre/lvplan_custom_sync.php', 'LVPlan Sync');
+}
 
 // ****
 // * Oeffnet das Handbuch
diff --git a/content/tempus.xul.php b/content/tempus.xul.php
index a67693783..665937be0 100644
--- a/content/tempus.xul.php
+++ b/content/tempus.xul.php
@@ -54,6 +54,7 @@ echo '<?xml-stylesheet href="datepicker/datepicker.css" type="text/css"?>';
   <command id="menu-extras-kollisionstudent:command" oncommand="KollisionStudentShow();"/>
   <command id="menu-extras-lvplanwartung:command" oncommand="LVPlanWartungShow();"/>
   <command id="menu-extras-rescheck:command" oncommand="ResCheckShow();"/>
+  <command id="menu-extras-synclvplan:command" oncommand="SyncLVPlan();"/>
   <command id="menu-help-about:command" oncommand="OpenAboutDialog()"/>
   <command id="menu-help-todo:command" oncommand="HelpOpenToDo();"/>
   <command id="menu-help-manual:command" oncommand="OpenManualTempus();"/>
@@ -218,6 +219,12 @@ echo '<?xml-stylesheet href="datepicker/datepicker.css" type="text/css"?>';
                label     = "&menu-extras-rescheck.label;"
                command   =  "menu-extras-rescheck:command"
                accesskey = "&menu-extras-rescheck.accesskey;"/>
+            <menuitem
+               id        =  "menu-extras-synclvplan"
+               key       =  "menu-extras-synclvplan:key"
+               label     = "&menu-extras-synclvplan.label;"
+               command   =  "menu-extras-synclvplan:command"
+               accesskey = "&menu-extras-synclvplan.accesskey;"/>
           </menupopup>
     </menu>
     <menu id="menu-help" label="&menu-help.label;" accesskey="&menu-help.accesskey;">
diff --git a/locale/de-AT/tempus.dtd b/locale/de-AT/tempus.dtd
index 1b95a48af..6cb394515 100644
--- a/locale/de-AT/tempus.dtd
+++ b/locale/de-AT/tempus.dtd
@@ -84,3 +84,7 @@
 <!ENTITY menu-extras-rescheck.key		"R">
 <!ENTITY menu-extras-rescheck.label		"Kollisionspruefung mit Reservierungen">
 <!ENTITY menu-extras-rescheck.accesskey	"R">
+
+<!ENTITY menu-extras-synclvplan.key			"S">
+<!ENTITY menu-extras-synclvplan.label		"LVPlan Synchronisierung">
+<!ENTITY menu-extras-synclvplan.accesskey	"S">