diff --git a/reader/src/App.jsx b/reader/src/App.jsx
index f9e334d..bad2c5a 100644
--- a/reader/src/App.jsx
+++ b/reader/src/App.jsx
@@ -30,6 +30,12 @@ import ResourcePage from "./ResourcePage.jsx";
 
 const DIVIDER_AT = 16;
 
+if (!Array.prototype.toReversed) {
+  Array.prototype.toReversed = function () {
+    return this.slice().reverse();
+  };
+}
+
 export function App() {
   return (
     <>