diff --git a/rdf/diplomasupplement.xml.php b/rdf/diplomasupplement.xml.php
index 589221a65..5d5aed2f6 100644
--- a/rdf/diplomasupplement.xml.php
+++ b/rdf/diplomasupplement.xml.php
@@ -827,7 +827,7 @@ if (isset($_REQUEST["xmlformat"]) && $_REQUEST["xmlformat"] == "xml")
                             echo '<lv>
                                 <lehrform_kurzbz></lehrform_kurzbz>
                                 <benotungsdatum>'.$benotungsdatum_outgoing.'</benotungsdatum>
-                                <sws>'.sws.'</sws>
+                                <sws>'.$sws.'</sws>
                                 <semester></semester>
                                 <kurzbz>'.$lehrform_kurzbz_outgoing.'</kurzbz>
                                 <stsem></stsem>