diff --git a/src/prerender.ts b/src/prerender.ts
index ab0dd49f92..fc4a3ed91a 100644
--- a/src/prerender.ts
+++ b/src/prerender.ts
@@ -1,3 +1,4 @@
+import { pathToFileURL } from 'url'
 import { resolve, join } from 'pathe'
 import { parseURL } from 'ufo'
 import chalk from 'chalk'
@@ -26,7 +27,8 @@ export async function prerender (nitro: Nitro) {
   await build(nitroRenderer)
 
   // Import renderer entry
-  const { localFetch } = await import(resolve(nitroRenderer.options.output.serverDir, 'index.mjs'))
+  const serverEntrypoint = resolve(nitroRenderer.options.output.serverDir, 'index.mjs')
+  const { localFetch } = await import(pathToFileURL(serverEntrypoint).href)
 
   // Start prerendering
   const generatedRoutes = new Set()
diff --git a/src/rollup/config.ts b/src/rollup/config.ts
index 1d730390c2..a8d21864b0 100644
--- a/src/rollup/config.ts
+++ b/src/rollup/config.ts
@@ -227,7 +227,7 @@ export const plugins = [
   // https://github.com/rollup/plugins/tree/master/packages/alias
   let buildDir = nitro.options.buildDir
   // Windows (native) dynamic imports should be file:// urr
-  if (isWindows && (nitro.options.externals.trace === false)) {
+  if (isWindows && (nitro.options.externals?.trace === false)) {
     buildDir = pathToFileURL(buildDir).href
   }
   rollupConfig.plugins.push(alias({