[Bugzilla user: s.jodogne@gmail.com]
[Bugzilla date: 2020-08-02T10:13:39+00:00]

Hello,

Thanks for your report, but I'm unable to reproduce the issue on my Ubuntu 18.04 box.

Please provide a full minimal working example (Python sample + curl command-line) so that we can work on a fix:
https://book.orthanc-server.com/users/support.html#discussing-a-minimal-working-example

Kind Regards,
Sébastien-