diff --git a/addons/l10n_fr_pos_cert/static/src/js/pos.js b/addons/l10n_fr_pos_cert/static/src/js/pos.js
index a02b50ea9068f8c3ff730731de47ec5b1c908514..502e5f98cf4b5342fb075a01549e5efaec815016 100644
--- a/addons/l10n_fr_pos_cert/static/src/js/pos.js
+++ b/addons/l10n_fr_pos_cert/static/src/js/pos.js
@@ -16,7 +16,7 @@ models.PosModel = models.PosModel.extend({
     is_french_country: function(){
       var french_countries = ['FR', 'MF', 'MQ', 'NC', 'PF', 'RE', 'GF', 'GP', 'TF'];
       if (!this.company.country) {
-        this.gui.show_popup("error", {
+        Gui.showPopup("ErrorPopup", {
             'title': _t("Missing Country"),
             'body':  _.str.sprintf(_t('The company %s doesn\'t have a country set.'), this.company.name),
         });