diff --git a/application/controllers/api/frontend/v1/stv/Student.php b/application/controllers/api/frontend/v1/stv/Student.php
index 943577bb3..2721bbd6f 100644
--- a/application/controllers/api/frontend/v1/stv/Student.php
+++ b/application/controllers/api/frontend/v1/stv/Student.php
@@ -136,14 +136,9 @@ class Student extends FHCAPI_Controller
 			);
 		}
 		$this->PrestudentModel->addSelect(
-			"(
-				SELECT status_kurzbz
-				FROM public.tbl_prestudentstatus pss
-				WHERE pss.prestudent_id = public.tbl_prestudent.prestudent_id
-				  AND pss.studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
-				ORDER BY GREATEST(pss.datum, '0001-01-01') DESC
-				LIMIT 1
-				) AS statusofsemester"
+			"public.get_rolle_prestudent(public.tbl_prestudent.prestudent_id, "
+				. $this->PrestudentModel->escape($studiensemester_kurzbz)
+				. ")  AS statusofsemester"
 		);
 
 		$this->PrestudentModel->addJoin('public.tbl_student s', 'prestudent_id', 'LEFT');
diff --git a/application/controllers/api/frontend/v1/stv/Students.php b/application/controllers/api/frontend/v1/stv/Students.php
index 9dbea65f2..acacca052 100644
--- a/application/controllers/api/frontend/v1/stv/Students.php
+++ b/application/controllers/api/frontend/v1/stv/Students.php
@@ -801,14 +801,9 @@ class Students extends FHCAPI_Controller
 
 		//add status per semester
 		$this->PrestudentModel->addSelect(
-			"(
-				SELECT status_kurzbz
-				FROM public.tbl_prestudentstatus pss
-				WHERE pss.prestudent_id = public.tbl_prestudent.prestudent_id
-				  AND pss.studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
-				ORDER BY GREATEST(pss.datum, '0001-01-01') DESC
-				LIMIT 1
-				) AS statusofsemester"
+			"public.get_rolle_prestudent(public.tbl_prestudent.prestudent_id, "
+				. $this->PrestudentModel->escape($studiensemester_kurzbz)
+				. ")  AS statusofsemester"
 		);
 
 		$this->addSelectPrioRel();
@@ -897,14 +892,9 @@ class Students extends FHCAPI_Controller
 
 		//add status per semester
 		$this->PrestudentModel->addSelect(
-			"(
-				SELECT status_kurzbz
-				FROM public.tbl_prestudentstatus pss
-				WHERE pss.prestudent_id = public.tbl_prestudent.prestudent_id
-				  AND pss.studiensemester_kurzbz = " . $this->PrestudentModel->escape($studiensemester_kurzbz) . "
-				ORDER BY GREATEST(pss.datum, '0001-01-01') DESC
-				LIMIT 1
-				) AS statusofsemester"
+			"public.get_rolle_prestudent(public.tbl_prestudent.prestudent_id, "
+				. $this->PrestudentModel->escape($studiensemester_kurzbz)
+				. ")  AS statusofsemester"
 		);
 
 		$this->PrestudentModel->addSelect('UPPER(stg.typ || stg.kurzbz) AS studiengang');