diff --git a/app/Views/_layout_topbar.php b/app/Views/_layout_topbar.php
index eb5b400..d44032f 100644
--- a/app/Views/_layout_topbar.php
+++ b/app/Views/_layout_topbar.php
@@ -19,7 +19,11 @@
             <button class="navbar-toggler" type="button" data-bs-toggle="collapse"
                 data-bs-target="#globinoursMainNavigation" aria-controls="globinoursMainNavigation"
                 aria-expanded="false" aria-label="<?= h(t('nav.open_menu')) ?>">
-                <span class="navbar-toggler-icon"></span>
+                <svg xmlns="http://www.w3.org/2000/svg" width="26" height="26" viewBox="0 0 24 24"
+                    stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round"
+                    stroke-linejoin="round" aria-hidden="true">
+                    <path d="M4 6h16M4 12h16M4 18h16" />
+                </svg>
             </button>
 
             <nav class="collapse navbar-collapse topbar-menu" id="globinoursMainNavigation"