diff --git a/build.ts b/build.ts
index 5a4a3f595..cd3317bc3 100644
--- a/build.ts
+++ b/build.ts
@@ -13,7 +13,7 @@ console.log('Generating review builtin files...')
 const { spawnSync: genSpawnSync } = await import('child_process')
 const genResult = genSpawnSync('bun', ['run', 'scripts/generate-review-builtin.ts'], {
   stdio: 'inherit',
-  cwd: import.meta.dir?.replace(/[^/\\]*$/, '') || '.',
+  cwd: new URL('.', import.meta.url).pathname,
 })
 if (genResult.status !== 0) {
   console.warn('Warning: generate-review-builtin.ts failed, using existing files')