diff --git a/pages/_app.tsx b/pages/_app.tsx
index 59f4788e3cc..8c66b27a186 100644
--- a/pages/_app.tsx
+++ b/pages/_app.tsx
@@ -27,6 +27,23 @@ import "../src/global-css";
 import "../src/test-prep";
 import "../src/base.css";
 
+if (typeof window !== "undefined") {
+  // @ts-expect-error
+  Promise.prototype.finally = function (callback) {
+    debugger;
+    this.then(
+      result => {
+        callback && callback();
+        return result;
+      },
+      result => {
+        callback && callback();
+        throw result;
+      }
+    );
+  };
+}
+
 interface AuthProps {
   apiKey?: string;
 }
diff --git a/pages/_document.tsx b/pages/_document.tsx
index a184504447b..f8a6bc1ca0b 100644
--- a/pages/_document.tsx
+++ b/pages/_document.tsx
@@ -1,7 +1,6 @@
 import crypto from "crypto";
 import * as Sentry from "@sentry/browser";
 import Document, { Head, Html, Main, NextScript } from "next/document";
-import Script from "next/script";
 import React from "react";
 
 import { setErrorHandler } from "protocol/utils";
@@ -65,25 +64,6 @@ export default class MyDocument extends Document {
           <meta httpEquiv="Content-Security-Policy" content={csp(this.props)} />
           <link rel="stylesheet" href="/recording/fonts/inter/inter.css" />
           <link rel="stylesheet" href="/recording/fonts/material_icons/material_icons.css" />
-          <Script
-            dangerouslySetInnerHTML={{
-              __html: `(${function () {
-                // @ts-expect-error
-                Promise.prototype.finally = function (callback) {
-                  this.then(
-                    result => {
-                      callback && callback();
-                      return result;
-                    },
-                    result => {
-                      callback && callback();
-                      throw result;
-                    }
-                  );
-                };
-              }.toString()})()`,
-            }}
-          ></Script>
         </Head>
         <body>
           <Main />
