diff --git a/www/js/search.js b/www/js/search.js
index 312e91c24160485f5f80aaab9fc54f3253ea7ead..071f7b832d00305f5f90a49c9fedb57e505750cd 100644
--- a/www/js/search.js
+++ b/www/js/search.js
@@ -25,7 +25,7 @@
 		localResults = 'local_results';
 	
 	window[initCallback] = function() {
-		delete window[initCallback];
+		window[initCallback] = null;
 		
 		require(['jquery', 'analytics'], function($, analytics) {
 			// Caching Class