Apache Openoffice is set back to english if launched from portableapps

If I launch Openoffice Portable from the folder on the usb drive and set a language (in my case Italian) then Openoffice Portable is launched always in that language. If I then launch it from portableapps (set to italian) the language of Apache Openoffice is reset to english (even if launched from folder).

This is on Windows 10 pro x64