diff --git a/templates/_toast.html.twig b/templates/_toast.html.twig
index 66e28550..4b850f46 100644
--- a/templates/_toast.html.twig
+++ b/templates/_toast.html.twig
@@ -13,9 +13,7 @@
         <i class="fas fa-fw {{ flash_symbol }} me-2"></i>
         <strong class="me-auto">{{ flash_title|trans }}</strong>
         <small class="{% if "text-white" in flash_bg %}text-white{% else %}text-muted{% endif %}">{{ "now" | format_datetime("short", "short") }}</small>
-        <button type="button" class="ms-2 mb-1 close" data-dismiss="toast" aria-label="Close">
-            <span aria-hidden="true">&times;</span>
-        </button>
+        <button type="button" class="ms-2 mb-1 btn-close {% if "text-white" in flash_bg %}btn-close-white{% endif %}" data-bs-dismiss="toast" aria-label="Close"></button>
     </div>
     <div class="toast-body {{ flash_bg }}">
         {{ message | trans }}