diff --git a/application/controllers/api/frontend/v1/Abgabe.php b/application/controllers/api/frontend/v1/Abgabe.php
index c5a327e77..17c364493 100644
--- a/application/controllers/api/frontend/v1/Abgabe.php
+++ b/application/controllers/api/frontend/v1/Abgabe.php
@@ -1173,7 +1173,7 @@ class Abgabe extends FHCAPI_Controller
 			$this->terminateWithError($this->p->t('abgabetool', 'c4noAssignedStudentForProjektarbeitID'));
 		}
 		$data = getData($res)[0];
-		$student_uid = $data->student_uid;
+		$student_uid = $data->uid;
 		$studiengang_kz = $data->studiengang_kz;
 		
 		$res = $this->ProjektarbeitModel->checkZuordnung($student_uid, $betreuer_uid);