[BitBucket user: Sébastien Jodogne]
[BitBucket date: 2017-09-13.12:29:09]

Hello, thanks for the report! This issue was already fixed a few weeks ago in the mainline of Orthanc with the following changeset: https://hg.orthanc-server.com/orthanc/changeset/c33ff8a7ffa94900017f323ab26192267fd3ff4e