multiple categories confuse brisk-menu as desktop file isnt shown anywhere

[Stormfinger]

Expected behaviour
if all categories are mentioned then apps should show in all categories mentioned

Actual behaviour
*.desktop files arent shown in multiple places

Steps to reproduce the behaviour
try changing categorie in desktop file

MATE general version
mate-desktop/unstable,now 1.26.0-1 amd64 [installed,automatic]

Package version
mate-applet-brisk-menu/unstable,now 0.6.2-1 amd64 [installed,automatic]
mate-menus/unstable,unstable,now 1.26.0-2 all [installed,automatic]

Linux Distribution
debian sid