diff --git a/rdf/student.rdf.php b/rdf/student.rdf.php
index df45c5359..5f47ece4d 100644
--- a/rdf/student.rdf.php
+++ b/rdf/student.rdf.php
@@ -244,7 +244,9 @@ function draw_content($row)
     		<STUDENT:semester><![CDATA['.(isset($row->semester)?$row->semester:$semester_prestudent).']]></STUDENT:semester>
     		<STUDENT:verband><![CDATA['.(isset($row->verband)?$row->verband:'').']]></STUDENT:verband>
     		<STUDENT:gruppe><![CDATA['.(isset($row->gruppe)?$row->gruppe:'').']]></STUDENT:gruppe>
-			<STUDENT:studiengang_kz_student><![CDATA['.(is_a($row,'student')?$row->studiengang_kz:'').']]></STUDENT:studiengang_kz_student>';
+			<STUDENT:studiengang_kz_student><![CDATA['.(is_a($row,'student')?$row->studiengang_kz:'').']]></STUDENT:studiengang_kz_student>
+			<STUDENT:matr_nr><![CDATA['.$row->matr_nr.']]></STUDENT:matr_nr>
+	';
 	}
 }