diff --git a/www/js/search.js b/www/js/search.js
index 6bc1e5881ca2e6fbfe942094fe88796185cada29..bc3ca7a5c6e96b042b8281810840a9ab72efc3a0 100644
--- a/www/js/search.js
+++ b/www/js/search.js
@@ -363,7 +363,7 @@
 				
 				if (window.parent != undefined) {
 					$(document).on('keydown', function(e) {
-						if (!e.keyCode || e.keyCode === 27) {
+						if (e.keyCode === 27) {
 							window.parent.postMessage('wdn.search.close', "*");
 						}
 					});