diff --git a/package-lock.json b/package-lock.json
index e2769798..12f54790 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -37,6 +37,7 @@
         "prop-types": "^15.8.1",
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
+        "readable-web-to-node-stream": "^3.0.2",
         "swr": "^2.2.5",
         "unleash-client": "^5.6.1",
         "uuid": "^10.0.0"
@@ -15295,6 +15296,34 @@
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
     },
+    "node_modules/readable-web-to-node-stream": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/readable-web-to-node-stream/-/readable-web-to-node-stream-3.0.2.tgz",
+      "integrity": "sha512-ePeK6cc1EcKLEhJFt/AebMCLL+GgSKhuygrZ/GLaKZYEecIgIECf4UaUuaByiGtzckwR4ain9VzUh95T1exYGw==",
+      "dependencies": {
+        "readable-stream": "^3.6.0"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/Borewit"
+      }
+    },
+    "node_modules/readable-web-to-node-stream/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/real-require": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/real-require/-/real-require-0.2.0.tgz",
diff --git a/package.json b/package.json
index f042e701..5f43ab24 100644
--- a/package.json
+++ b/package.json
@@ -48,6 +48,7 @@
     "prop-types": "^15.8.1",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
+    "readable-web-to-node-stream": "^3.0.2",
     "swr": "^2.2.5",
     "unleash-client": "^5.6.1",
     "uuid": "^10.0.0"
diff --git a/src/pages/api/dokumenter/[journalpostId]/[dokumentId]/forhandsvisning.ts b/src/pages/api/dokumenter/[journalpostId]/[dokumentId]/forhandsvisning.ts
index 95a21e52..5f804678 100644
--- a/src/pages/api/dokumenter/[journalpostId]/[dokumentId]/forhandsvisning.ts
+++ b/src/pages/api/dokumenter/[journalpostId]/[dokumentId]/forhandsvisning.ts
@@ -1,7 +1,7 @@
 import { logger } from "@navikt/next-logger";
+import { ReadableWebToNodeStream } from "readable-web-to-node-stream";
 import { v4 as uuidv4 } from "uuid";
 import { getSession } from "../../../../../lib/auth.utils";
-import { Readable } from "stream";
 
 const audience = `${process.env.SAF_SELVBETJENING_CLUSTER}:teamdokumenthandtering:${process.env.SAF_SELVBETJENING_SCOPE}`;
 
@@ -29,18 +29,8 @@ const handleHentDokument = async (req, res) => {
 
   try {
     const response = await fetch(requestUrl, requestHeaders);
-
-    // @ts-ignore // Ignorer respons.body
-    const stream = Readable.fromWeb(response.body);
-
-    stream.pipe(res);
-    stream.on("error", (err) => {
-      res.status(500).send(`Feil ved streaming av SAF dokument: ${err}`);
-    });
-
-    stream.on("end", () => {
-      res.end();
-    });
+    const readableWebStream = response.body;
+    return new ReadableWebToNodeStream(readableWebStream);
   } catch (errors) {
     logger.error(`Feil fra SAF med call-id ${callId}: ${errors}`);
     return res.status(500).send(errors);