diff --git a/src/lib/helper/caseNumberOccupied.js b/src/lib/helper/caseNumberOccupied.js
index a5f3934..e727abf 100644
--- a/src/lib/helper/caseNumberOccupied.js
+++ b/src/lib/helper/caseNumberOccupied.js
@@ -6,7 +6,7 @@ import { client } from '$lib/minio';
  * @returns {Promise<boolean>}
  */
 export default async function caseNumberOccupied(caseNumber) {
-	const prefix = `${caseNumber}/config.json`;
+	const prefix = `${caseNumber}`;
 	const promise = new Promise((resolve) => {
 		let stream = client.listObjectsV2('tatort', prefix, false, '');
 		stream.on('data', () => {