diff --git a/tools/build.js b/tools/build.js
index 706344343..301304f5d 100644
--- a/tools/build.js
+++ b/tools/build.js
@@ -109,7 +109,7 @@ async function vendorDeno() {
       const destination = join(vendorDest, url.hostname, url.pathname)
 
       const res = await fetch(url)
-      if (!res.ok) throw new Error('Failed to fetch .wasm file to vendor', {cause: err})
+      if (!res.ok) throw new Error('Failed to fetch .wasm file to vendor', { cause: err })
       const fileStream = createWriteStream(destination, { flags: 'wx' })
       await finished(Readable.fromWeb(res.body).pipe(fileStream))
     }),