diff --git a/esm.mjs b/esm.mjs
index 0843cf349..e6f205758 100644
--- a/esm.mjs
+++ b/esm.mjs
@@ -6,3 +6,13 @@ const require = createRequire(fileURLToPath(import.meta.url));
 const esm = require('./dist/esm');
 export const { resolve, load, getFormat, transformSource } =
   esm.registerAndCreateEsmHooks();
+
+// Affordance for node 20, where load() happens in an isolated thread
+export const globalPreload = () => {
+  const self = fileURLToPath(import.meta.url);
+  return `
+const { createRequire } = getBuiltin('module');
+const require = createRequire(${JSON.stringify(self)});
+require('./dist/esm').registerAndCreateEsmHooks();
+`;
+};