diff --git a/admin/sync/fas/sync_fas_vilesci_student.php b/admin/sync/fas/sync_fas_vilesci_student.php
index 15b1473cc..1dd5f224d 100644
--- a/admin/sync/fas/sync_fas_vilesci_student.php
+++ b/admin/sync/fas/sync_fas_vilesci_student.php
@@ -406,7 +406,7 @@ FROM (person JOIN student ON person_pk=student.person_fk ) AS p1
 CROSS JOIN (person JOIN student ON person_pk=student.person_fk) AS p2 WHERE 
 ((p1.gebdat=p2.gebdat AND p1.familienname=p2.familienname AND p1.vorname=p2.vorname) 
 OR ((p1.ersatzkennzeichen=p2.ersatzkennzeichen AND p1.ersatzkennzeichen<>'') OR (p1.svnr=p2.svnr AND p1.svnr<>'')))
-AND (p1.person_pk <> p2.person_pk)
+AND (p1.person_pk <> p2.person_pk) AND (p1.studiengang_fk=p2.studiengang_fk)
 AND ((p1.svnr=p2.svnr AND p1.svnr IS NOT NULL AND p1.svnr<>'') 
 	OR (p1.svnr<>p2.svnr AND p1.svnr IS NOT NULL AND p1.svnr<>'' AND p1.familienname=p2.familienname AND p1.familienname IS NOT NULL AND p1.familienname!='' 
 	AND p1.gebdat=p2.gebdat AND p1.gebdat IS NOT NULL AND p1.gebdat>'1935-01-01' AND p1.gebdat<'2000-01-01'))