in order to match SECoP specification
fixes#4668
Change-Id: Ica73a8171536ccc324cf8db915347a6263c2d736
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/30625
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>