diff --git a/rdf/student.rdf.php b/rdf/student.rdf.php
index 44dc8e6ae..f9a5d509a 100755
--- a/rdf/student.rdf.php
+++ b/rdf/student.rdf.php
@@ -801,7 +801,7 @@ else
 								break;
 				}
 			}
-			$prestudent = new prestudent();
+			$prestudent = new prestudent($student->prestudent_id);
 			$prestudent->getLastStatus($student->prestudent_id);
 
 			$orgform_bezeichnung = new organisationsform();