diff --git a/face_recognition/app/app.py b/face_recognition/app/app.py
index fc3f663..156eba1 100644
--- a/face_recognition/app/app.py
+++ b/face_recognition/app/app.py
@@ -25,10 +25,9 @@ def new_user_id():
         if check_id(id) == False:
             break
     demo_object = ['test']
-    with open('/tmp/demo_object.temp', 'wb') as f:
+    with open('/tmp/demo_object.pkl', 'wb') as f:
         pickle.dump(demo_object, f)
-    with open('/tmp/demo_object.temp', 'rb') as demo_object:
-        minioClient.put_object('users', str(id), demo_object, os.stat('demo_object').st_size)
+    (minioClient.fput_object('users', str(id), '/tmp/demo_object.pkl')
 #funktionalität implementieres s3 Platzhalterdatei anlegen für user,
     return(id)