diff --git a/views/index.pug b/views/index.pug
index 09b5acd75d3f23fd4b0b2d861010e98554d902a9..4a638a05dc6f36d6f8e9245e76ac0a8411f07a26 100644
--- a/views/index.pug
+++ b/views/index.pug
@@ -22,6 +22,7 @@ html(lang=locale)
       =_('Soutenez La Quadrature du Net !')
   body
     form(action="./generate.png" target="_blank")
+      input(type='hidden' name='lang' value=locale)
       nav
         a
           img(src="./imgs/logo_lqdn.svg" alt="LQDN")