diff --git a/README.md b/README.md
index c142a8f..efba84a 100644
--- a/README.md
+++ b/README.md
@@ -82,16 +82,14 @@ If you'd rather use the addon as a script via per example *Greasemonkey* or *Tam
 // @grant none
 // ==/UserScript==
 
-var code = "(" + (function() {
-    var checkReady = setInterval(function() {
-        if (typeof Game.ready !== 'undefined' && Game.ready) {
-            Game.LoadMod('https://aktanusa.github.io/CookieMonster/CookieMonster.js');
-            clearInterval(checkReady);
-        }
-    }, 1000);
-}).toString() + ")()";
+'use strict';
 
-window.eval(code);
+let checkReady = setInterval(function() {
+    if (typeof Game.ready !== 'undefined' && Game.ready) {
+        Game.LoadMod('https://aktanusa.github.io/CookieMonster/CookieMonster.js');
+        clearInterval(checkReady);
+    }
+}, 1000);
 ```
 If you are using the beta, use this instead:
 
@@ -105,16 +103,14 @@ If you are using the beta, use this instead:
 // @grant none
 // ==/UserScript==
 
-var code = "(" + (function() {
-    var checkReady = setInterval(function() {
-        if (typeof Game.ready !== 'undefined' && Game.ready) {
-            Game.LoadMod('https://aktanusa.github.io/CookieMonster/CookieMonsterBeta.js');
-            clearInterval(checkReady);
-        }
-    }, 1000);
-}).toString() + ")()";
+'use strict';
 
-window.eval(code);
+let checkReady = setInterval(function() {
+    if (typeof Game.ready !== 'undefined' && Game.ready) {
+        Game.LoadMod('https://aktanusa.github.io/CookieMonster/CookieMonsterBeta.js');
+        clearInterval(checkReady);
+    }
+}, 1000);
 ```
 
 # Bugs and suggestions