diff --git a/ext/fetch/20_headers.js b/ext/fetch/20_headers.js
index 4e1729e01c..39127b1ecf 100644
--- a/ext/fetch/20_headers.js
+++ b/ext/fetch/20_headers.js
@@ -508,6 +508,14 @@ function guardFromHeaders(headers) {
   return headers[_guard];
 }
 
+/**
+ * @param {Headers} headers
+ * @returns {[string, string][]}
+ */
+function headersEntries(headers) {
+  return headers[_iterableHeaders];
+}
+
 export {
   fillHeaders,
   getDecodeSplitHeader,
@@ -515,5 +523,6 @@ export {
   guardFromHeaders,
   headerListFromHeaders,
   Headers,
+  headersEntries,
   headersFromHeaderList,
 };
diff --git a/ext/node/polyfills/http.ts b/ext/node/polyfills/http.ts
index 2d80c2cd99..609a046ac8 100644
--- a/ext/node/polyfills/http.ts
+++ b/ext/node/polyfills/http.ts
@@ -55,6 +55,7 @@ import {
 import { getTimerDuration } from "ext:deno_node/internal/timers.mjs";
 import { serve, upgradeHttpRaw } from "ext:deno_http/00_serve.js";
 import { createHttpClient } from "ext:deno_fetch/22_http_client.js";
+import { headersEntries } from "ext:deno_fetch/20_headers.js";
 import { timerId } from "ext:deno_web/03_abort_signal.js";
 import { clearTimeout as webClearTimeout } from "ext:deno_web/02_timers.js";
 import { TcpConn } from "ext:deno_net/01_net.js";
@@ -1486,7 +1487,12 @@ export class IncomingMessageForServer extends NodeReadable {
 
   get headers() {
     if (!this.#headers) {
-      this.#headers = Object.fromEntries(this.#req.headers.entries());
+      this.#headers = {};
+      const entries = headersEntries(this.#req.headers);
+      for (let i = 0; i < entries.length; i++) {
+        const entry = entries[i];
+        this.#headers[entry[0]] = entry[1];
+      }
     }
     return this.#headers;
   }