diff --git a/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js b/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js
index 2fa1905624..d713bb46e2 100644
--- a/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js
+++ b/wp-content/themes/twentynineteen/js/touch-keyboard-navigation.js
@@ -274,7 +274,7 @@
 
 		document.addEventListener('focus', function(event) {
 
-			if ( event.target.matches('.main-navigation > div > ul > li a') ) {
+			if ( event.target != window.document && event.target.matches('.main-navigation > div > ul > li a') ) {
 
 				// Remove Focused elements in sibling div
 				var currentDiv        = getCurrentParent( event.target, 'div', '.main-navigation' );