diff --git a/lib/omniauth/strategies/odoo_keycloak.rb b/lib/omniauth/strategies/odoo_keycloak.rb
index 8b76573..7ef0a53 100644
--- a/lib/omniauth/strategies/odoo_keycloak.rb
+++ b/lib/omniauth/strategies/odoo_keycloak.rb
@@ -20,6 +20,22 @@ class OdooKeycloak < OmniAuth::Strategies::KeycloakOpenId
       def odoo_info
         @odoo_info ||= ::Decidim::Odoo::Api::FindPartnerByVat.new(raw_info["preferred_username"]).result
       end
+
+      def authorize_params
+        super.tap do |param|
+          param[:kc_locale] = current_locale
+        end
+      end
+
+      def query_string
+        ""
+      end
+
+      private
+
+      def current_locale
+        request.params["locale"] || I18n.default_locale
+      end
     end
   end
 end