1 files changed, 8 insertions, 3 deletions
diff --git a/src/node-fallbacks/@vercel_fetch.js b/src/node-fallbacks/@vercel_fetch.js
index 5ab626670..95314ba9e 100644
--- a/src/node-fallbacks/@vercel_fetch.js
+++ b/src/node-fallbacks/@vercel_fetch.js
@@ -1,6 +1,8 @@
 // This is just a no-op. Intent is to prevent importing a bunch of stuff that isn't relevant.
-module.exports = (wrapper = Bun.fetch) => {
-  return async function vercelFetch(url, opts = {}) {
+module.exports = (
+  wrapper = "Bun" in globalThis ? Bun.fetch : globalThis.fetch
+) => {
+  async function vercelFetch(url, opts = {}) {
     // Convert Object bodies to JSON if they are JS objects
     if (
       opts.body &&
@@ -27,5 +29,8 @@ module.exports = (wrapper = Bun.fetch) => {
       err.opts = opts;
       throw err;
     }
-  };
+  }
+
+  vercelFetch.default = vercelFetch;
+  return vercelFetch;
 };