Menu rendering Error

Hi

any idea why adding "Rasterbator" (a program that is portable but not part of PortableApps) the Icon of it is not under "Other" but above the Subfolder "Other"

Hoe to reproduce:
- Get Rasterbator.zip
- unzip it into your PortableApps folder in a subfolder "Rasterbator"
- refresh app-icons
- open the "Other" folder in the app menu -> see the icon for Rasterbator above the folder icon
- close "Other" folder -> icons disappears as expected

thanks
obelix