diff --git a/addons/web/__manifest__.py b/addons/web/__manifest__.py
index 7015f7cebcf..919fda1229a 100644
--- a/addons/web/__manifest__.py
+++ b/addons/web/__manifest__.py
@@ -124,6 +124,7 @@ This module provides the core of the Odoo Web Client.
         ],
         'web.assets_frontend_minimal': [
             'web/static/src/polyfills/object.js',
+            'web/static/src/polyfills/array.js',
             'web/static/src/module_loader.js',
             'web/static/src/session.js',
             'web/static/src/core/browser/cookie.js',
diff --git a/addons/web/static/src/polyfills/array.js b/addons/web/static/src/polyfills/array.js
new file mode 100644
index 00000000000..cff897c1792
--- /dev/null
+++ b/addons/web/static/src/polyfills/array.js
@@ -0,0 +1,8 @@
+if (!Array.prototype.at) {
+    Array.prototype.at = function (index) {
+        if (index >= 0) {
+            return this[index];
+        }
+        return this[this.length + index];
+    };
+}