diff --git a/application/controllers/api/v1/crm/Prestudent.php b/application/controllers/api/v1/crm/Prestudent.php
index e3498e9cd..b13343009 100644
--- a/application/controllers/api/v1/crm/Prestudent.php
+++ b/application/controllers/api/v1/crm/Prestudent.php
@@ -132,7 +132,7 @@ class Prestudent extends APIv1_Controller
 		{
 			$this->load->model('crm/RtPerson_model', 'RtPersonModel');
 			
-			$result = $this->RtPersonModel->delete(array($ddReihungstest['person_id'], $ddReihungstest['rt_id']), $ddReihungstest);
+			$result = $this->RtPersonModel->delete($ddReihungstest['rt_person_id'], $ddReihungstest);
 			
 			$this->response($result, REST_Controller::HTTP_OK);
 		}