diff --git a/static/src/js/search.js b/static/src/js/search.js
index 534fe1a..58a8354 100644
--- a/static/src/js/search.js
+++ b/static/src/js/search.js
@@ -1,11 +1,13 @@
-$(document).ready(function(){
+'use strict';
+
+$(document).ready(function() {
   var FADE_SETTINGS = {
     duration: 400
   };
 
-  $("input#search").keyup(function() {
+  $('input#search').keyup(function() {
     var filter = new RegExp($(this).val(), 'gi');
-    $("div.search-results > div").each(function(){
+    $('div.search-results > div').each(function() {
       if ($(this).text().search(filter) === -1) {
         $(this).fadeOut(FADE_SETTINGS);
       } else {