diff --git a/symfony/twig-bundle/6.4/templates/base.html.twig b/symfony/twig-bundle/6.4/templates/base.html.twig
index c6fd7ade..c7d75fef 100644
--- a/symfony/twig-bundle/6.4/templates/base.html.twig
+++ b/symfony/twig-bundle/6.4/templates/base.html.twig
@@ -10,9 +10,9 @@
         {% block javascripts %}
         {% endblock %}
 
-        {% set frankenphpHotReload = app.request.server.get('FRANKENPHP_HOT_RELOAD') %}
-        {% if frankenphpHotReload %}
-        <meta name="frankenphp-hot-reload:url" content="{{ frankenphpHotReload }}">
+        {% set frankenphp_hot_reload = app.request.server.get('FRANKENPHP_HOT_RELOAD') %}
+        {% if frankenphp_hot_reload %}
+        <meta name="frankenphp-hot-reload:url" content="{{ frankenphp_hot_reload }}">
         <script src="https://cdn.jsdelivr.net/npm/idiomorph"></script>
         <script src="https://cdn.jsdelivr.net/npm/frankenphp-hot-reload/+esm" type="module"></script>
         {% endif %}