after change page currency change again

Hello,

I use a vpn to made test with a Switzerland ip.
Setup is auto switch to CHF currency in the backend for Switzerland

in system statut in wordpress backend :
[WooCommerce] Your IP : 84.17.52.175
[WooCommerce] Your GEO IP : {“country”:”CH”,”state”:””}

But currency on front end is default currency EUR
if i change manually to CHF it works but after change page it come back to EUR again.

How to fix it ?