diff --git a/face_recognition/app/app.py b/face_recognition/app/app.py
index 8ce3ce4..285fc19 100644
--- a/face_recognition/app/app.py
+++ b/face_recognition/app/app.py
@@ -42,7 +42,7 @@ def new_face():
     print(img, flush=True)
     imgdata = base64.b64decode(img)
     with open('/tmp/'+str(id), 'wb') as file:
-        file.write(imgdata)
+        file.write(bytearray(imgdata))
     minioClient.fput_object('users', str(id)+'.jpg', '/tmp/'+str(id))
     face = face_recognition.load_image_file('/tmp/'+str(id))
     face_encoding = face_recognition.face_encodings(face)[0]