diff --git a/application/controllers/Cis/Documents.php b/application/controllers/Cis/Documents.php
index c5a6684d3..0b8d08a56 100644
--- a/application/controllers/Cis/Documents.php
+++ b/application/controllers/Cis/Documents.php
@@ -72,7 +72,7 @@ class Documents extends Auth_Controller
 
 		$stgs = [];
 		$stsemArray = [];
-		$buchungstypen = implode('\',\'', defined("CIS_DOKUMENTE_STUDIENBEITRAG_TYPEN") ? unserialize(CIS_DOKUMENTE_STUDIENBEITRAG_TYPEN) : []);
+		$buchungstypen = defined("CIS_DOKUMENTE_STUDIENBEITRAG_TYPEN") ? unserialize(CIS_DOKUMENTE_STUDIENBEITRAG_TYPEN) : [];
 		$person_ids = [];
 		foreach ($stati as $status) {
 			$person_ids[] = $status->person_id;
diff --git a/application/controllers/api/frontend/v1/stv/Konto.php b/application/controllers/api/frontend/v1/stv/Konto.php
index a33680ea0..384452f3e 100644
--- a/application/controllers/api/frontend/v1/stv/Konto.php
+++ b/application/controllers/api/frontend/v1/stv/Konto.php
@@ -352,7 +352,7 @@ class Konto extends FHCAPI_Controller
 				continue;
 			}
 
-
+			
 			$result = $this->KontoModel->insert([
 				'person_id' => $buchung['person_id'],
 				'studiengang_kz' => $buchung['studiengang_kz'],
@@ -361,7 +361,7 @@ class Konto extends FHCAPI_Controller
 				'buchungstyp_kurzbz' => $buchung['buchungstyp_kurzbz'],
 				'credit_points' => $buchung['credit_points'],
 				'zahlungsreferenz' => $buchung['zahlungsreferenz'],
-				'betrag' => $betrag,
+				'betrag' => number_format($betrag, 2, '.', ''),
 				'buchungsdatum' => $buchungsdatum,
 				'mahnspanne' => '0',
 				'buchungsnr_verweis' => $buchung['buchungsnr'],