diff --git a/application/models/education/Paabgabe_model.php b/application/models/education/Paabgabe_model.php
index 972b4cdc6..99b9b75f1 100644
--- a/application/models/education/Paabgabe_model.php
+++ b/application/models/education/Paabgabe_model.php
@@ -79,8 +79,8 @@ class Paabgabe_model extends DB_Model
 				 JOIN public.tbl_benutzer ON (public.tbl_benutzer.uid = student_uid)
 				 JOIN public.tbl_person USING (person_id)
 		
-		WHERE campus.tbl_paabgabe.insertamum::date = CURRENT_DATE - INTERVAL ?
-			OR campus.tbl_paabgabe.updateamum::date = CURRENT_DATE - INTERVAL ?
+		WHERE (campus.tbl_paabgabe.insertamum::date = CURRENT_DATE - INTERVAL ?
+			OR campus.tbl_paabgabe.updateamum::date = CURRENT_DATE - INTERVAL ?)
 			AND campus.tbl_paabgabe.paabgabetyp_kurzbz IN ?";
 		
 		return $this->execQuery($query, [$interval, $interval, $relevantTypes]);