diff --git a/packages/core/src/adapter/node.ts b/packages/core/src/adapter/node.ts
index 20cf6d3..c50a210 100644
--- a/packages/core/src/adapter/node.ts
+++ b/packages/core/src/adapter/node.ts
@@ -1,6 +1,6 @@
 import { fileURLToPath } from 'node:url'
 import { basename } from 'node:path'
-import { fromBuffer } from 'file-type'
+import FileType from 'file-type'
 import { FileResponse } from '../index.js'
 import { readFile } from 'node:fs/promises'
 
@@ -9,7 +9,7 @@ export { lookup } from 'node:dns/promises'
 export async function loadFile(url: string): Promise<FileResponse | undefined> {
   if (url.startsWith('file://')) {
     const data = await readFile(fileURLToPath(url))
-    const result = await fromBuffer(data)
+    const result = await FileType.fromBuffer(data)
     // https://stackoverflow.com/questions/8609289/convert-a-binary-nodejs-buffer-to-javascript-arraybuffer#answer-31394257
     const buffer = data.buffer.slice(data.byteOffset, data.byteOffset + data.byteLength)
     return { mime: result?.mime, filename: basename(url), data: buffer }
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 9d0c8c5..24a80d2 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -163,6 +163,8 @@ export class HTTP extends Service<HTTP.Config> {
     }
   }
 
+  public isError = HTTPError.is
+
   private _decoders: Dict = Object.create(null)
 
   constructor(config?: HTTP.Config)