diff --git a/src/wp-content/themes/twentyfourteen/js/keyboard-image-navigation.js b/src/wp-content/themes/twentyfourteen/js/keyboard-image-navigation.js
index 93260d9bb8..736c378ed8 100644
--- a/src/wp-content/themes/twentyfourteen/js/keyboard-image-navigation.js
+++ b/src/wp-content/themes/twentyfourteen/js/keyboard-image-navigation.js
@@ -1,12 +1,16 @@
-jQuery( document ).ready( function( $ ) {
-	$( document ).keydown( function( e ) {
+jQuery( function( $ ) {
+	$( document ).on( 'keydown.twentyfourteen', function( e ) {
 		var url = false;
-		if ( e.which === 37 ) {  // Left arrow key code
+
+		// Left arrow key code.
+		if ( e.which === 37 ) {
 			url = $( '.previous-image a' ).attr( 'href' );
-		}
-		else if ( e.which === 39 ) {  // Right arrow key code
+
+		// Right arrow key code.
+		} else if ( e.which === 39 ) {
 			url = $( '.entry-attachment a' ).attr( 'href' );
 		}
+
 		if ( url && ( !$( 'textarea, input' ).is( ':focus' ) ) ) {
 			window.location = url;
 		}