diff --git a/cis/private/lehre/benotungstool/lvgesamtnoteverwalten.php b/cis/private/lehre/benotungstool/lvgesamtnoteverwalten.php
index fb4a7fe6d..629d3241e 100644
--- a/cis/private/lehre/benotungstool/lvgesamtnoteverwalten.php
+++ b/cis/private/lehre/benotungstool/lvgesamtnoteverwalten.php
@@ -1133,19 +1133,20 @@ if (defined("CIS_GESAMTNOTE_PRUEFUNG_MOODLE_LE_NOTE") && CIS_GESAMTNOTE_PRUEFUNG
 			$grades[$row_stud->uid]['vorname'] = $row_stud->vorname;
 			$grades[$row_stud->uid]['nachname'] = $row_stud->nachname;
 
-			$ps = new student();
-			$prestudent_id = $ps->getPrestudentIdFromBenutzerId($row_stud->uid, $stg_obj->studiengang_kz);
+			$student = new student();
+			$student->load($row_stud->uid);
+			$student->result[]= $student;
+			$prestudent_id = $student->prestudent_id;
+
 			$mobility = new mobilitaet();
 			$mobility->loadPrestudent($prestudent_id);
 			$output = $mobility->result;
 			$eintrag = '';
-
 			foreach ($output as $k)
 			{
 				if($k->mobilitaetstyp_kurzbz == 'GS')
-				$eintrag = ' (d.d.)';
+			 	$eintrag = ' (d.d.)';
 			}
-
 			$grades[$row_stud->uid]['mobility'] = $eintrag;
 
 			// Noten aus Uebungstool
diff --git a/include/student.class.php b/include/student.class.php
index 8480ce2d3..55733dd94 100644
--- a/include/student.class.php
+++ b/include/student.class.php
@@ -896,38 +896,4 @@ class student extends benutzer
 			return null;
 		}
 	}
-
-	/**
-	 * Ermittelt den Prestudenten mithilfe der UID, des Studiengangs und des Semesters
-	 * @param string $uid UID des Benutzers (zum Beispiel se15m007).
-	 * @param int $stg_kz Kennzeichen Studiengang (zum Beispiel 299).
-	 * @return int prestudent_id
-	 */
-	public function getPrestudentIdFromBenutzerId($uid, $stg_kz)
-	{
-		$qry = "SELECT
-			prestudent_id
-		FROM public.tbl_student
-		WHERE student_uid = ".$this->db_add_param($uid)."
-		AND studiengang_kz = ".$this->db_add_param($stg_kz, FHC_INTEGER).";";
-
-		if ($this->db_query($qry))
-		{
-			if ($row = $this->db_fetch_object())
-			{
-				$prestudent_id = $row->prestudent_id;
-				return $prestudent_id;
-			}
-			else
-			{
-				$this->errormsg = 'Fehler beim Laden der Daten';
-				return false;
-			}
-		}
-		else
-		{
-			$this->errormsg = 'Fehler beim Laden der Daten';
-			return false;
-		}
-	}
 }