APM Customization - French

Dear,

I'm trying to customized a APM Portal which by default will use French language

The icons of the App / Links on the portal always use the default icon inspite of the uploaded icons. Once connecting with English Browser, uploaded icons are correctly displayed...

In F5 APM Custo the icons settings are under the "Customization Settings for English" section.

Is there a way to do the same with French langauge?

Thank you