diff --git a/templates/partial/_navigation.html b/templates/partial/_navigation.html
index 7e87be54f..7c2b18841 100644
--- a/templates/partial/_navigation.html
+++ b/templates/partial/_navigation.html
@@ -110,6 +110,7 @@
 <script>
 const searchButtons = document.querySelectorAll(".js-search-button");
 const searchOverlay = document.querySelector(".p-navigation__search-overlay");
+const navigation = document.querySelector("#navigation");
 
 function escKeyPressHandler(e) {
   if (e.key === "Escape") {