diff --git a/patterns/left-navigation.html b/patterns/left-navigation.html
index 0ded3a0..6019d1b 100644
--- a/patterns/left-navigation.html
+++ b/patterns/left-navigation.html
@@ -56,7 +56,8 @@
       }
 
       const setMenuState = (expanded) => {
-        menu.hidden = mediaQuery.matches ? !expanded : false;
+        menu.hidden = !expanded;
+        menu.style.display = expanded ? '' : 'none';
         toggle.setAttribute('aria-expanded', String(expanded));
         toggle.textContent = expanded ? 'Ausblenden' : 'Einblenden';
         toggle.classList.add('sg-button--active');
@@ -75,6 +76,7 @@
         }
 
         menu.hidden = false;
+        menu.style.display = '';
         toggle.setAttribute('aria-expanded', 'true');
         toggle.textContent = 'Ausblenden';
         toggle.classList.add('sg-button--active');