diff --git a/application/models/organisation/Studiengang_model.php b/application/models/organisation/Studiengang_model.php
index a27d07f8b..299b24d86 100644
--- a/application/models/organisation/Studiengang_model.php
+++ b/application/models/organisation/Studiengang_model.php
@@ -480,7 +480,7 @@ class Studiengang_model extends DB_Model
                funktion_kurzbz = \'Leitung\'
                 AND ( datum_von <= NOW() OR datum_von IS NULL )
                 AND ( datum_bis >= NOW() OR datum_bis IS NULL )
-                AND studiengang_kz IN (' . $this->db->escape($studiengang_kz). ')';
+                AND studiengang_kz IN (' . $studiengang_kz. ')';
 			;
 		}
 		
@@ -519,7 +519,7 @@ class Studiengang_model extends DB_Model
                funktion_kurzbz = \'ass\'
                 AND ( datum_von <= NOW() OR datum_von IS NULL )
                 AND ( datum_bis >= NOW() OR datum_bis IS NULL )
-                AND studiengang_kz IN (' . $this->db->escape($studiengang_kz). ')'
+                AND studiengang_kz IN (' . $studiengang_kz. ')'
             ;
         }