diff --git a/src/components/layout/header/menu-flyout.tsx b/src/components/layout/header/menu-flyout.tsx
index e76dce186..4c536eeb3 100644
--- a/src/components/layout/header/menu-flyout.tsx
+++ b/src/components/layout/header/menu-flyout.tsx
@@ -65,7 +65,11 @@ interface NavigationFlyoutProp {
 export const NavigationFlyout: React.FC<NavigationFlyoutProp> = (props) => {
   return (
     <>
-      <FullscreenOverlay $visible={props.visible} onClick={props.onClick}>
+      <FullscreenOverlay
+        $visible={props.visible}
+        onClick={props.onClick}
+        aria-hidden={!props.visible}
+      >
         <ScrollContainer>
           <FullHeightNavigation
             translation={props.translation}