diff --git a/resources/assets/src/js/common/polyfill.js b/resources/assets/src/js/common/polyfill.js
index 95695b03..5e0c6773 100644
--- a/resources/assets/src/js/common/polyfill.js
+++ b/resources/assets/src/js/common/polyfill.js
@@ -2,17 +2,9 @@
 
 // polyfill of String.prototype.includes
 if (!String.prototype.includes) {
-    String.prototype.includes = function(search, start) {
-        'use strict';
-        if (typeof start !== 'number') {
-            start = 0;
-        }
-
-        if (start + search.length > this.length) {
-            return false;
-        } else {
-            return this.indexOf(search, start) !== -1;
-        }
+    String.prototype.includes = function(search) {
+        // Copied from core-js
+        return !!~this.indexOf(search, arguments.length > 1 ? arguments[1] : undefined);
     };
 }