diff --git a/cis/private/lehre/notenliste.php b/cis/private/lehre/notenliste.php
index 3a19c6618..24c9c0f0f 100644
--- a/cis/private/lehre/notenliste.php
+++ b/cis/private/lehre/notenliste.php
@@ -99,6 +99,8 @@ if(isset($_GET['uid']))
     else
         $getParam = "";
 }
+else
+	$getParam='';
 
 $datum_obj = new datum();