diff --git a/core/themes/olivero/js/navigation.es6.js b/core/themes/olivero/js/navigation.es6.js
index 3160027acac..efe943566d0 100644
--- a/core/themes/olivero/js/navigation.es6.js
+++ b/core/themes/olivero/js/navigation.es6.js
@@ -47,7 +47,7 @@
 
     // Closes any open sub navigation first, then close header navigation.
     document.addEventListener('keyup', (e) => {
-      if (e.key === 'Escape') {
+      if (e.key === 'Escape' || e.key === 'Esc') {
         if (props.olivero.areAnySubNavsOpen()) {
           props.olivero.closeAllSubNav();
         } else {
diff --git a/core/themes/olivero/js/navigation.js b/core/themes/olivero/js/navigation.js
index 9662a556f0a..b3bc482c922 100644
--- a/core/themes/olivero/js/navigation.js
+++ b/core/themes/olivero/js/navigation.js
@@ -32,7 +32,7 @@
       toggleNav(props, !isNavOpen(props.navWrapper));
     });
     document.addEventListener('keyup', function (e) {
-      if (e.key === 'Escape') {
+      if (e.key === 'Escape' || e.key === 'Esc') {
         if (props.olivero.areAnySubNavsOpen()) {
           props.olivero.closeAllSubNav();
         } else {