diff --git a/src/internal/type.ts b/src/internal/type.ts
index feacce3b..2d2950b6 100644
--- a/src/internal/type.ts
+++ b/src/internal/type.ts
@@ -89,16 +89,20 @@ export interface BucketItemCopy {
   lastModified?: Date
 }
 
-export interface BucketItem {
-  name: string
-  prefix: string
-  size: number
-  etag: string
-  lastModified: Date
-}
+export type BucketItem =
+  | {
+      name: string
+      size: number
+      etag: string
+      lastModified: Date
+    }
+  | {
+      prefix: string
+      size: 0
+    }
 
-export interface BucketItemWithMetadata extends BucketItem {
-  metadata: ItemBucketMetadata | ItemBucketMetadataList
+export type BucketItemWithMetadata = BucketItem & {
+  metadata?: ItemBucketMetadata | ItemBucketMetadataList
 }
 
 export type StatObjectOpts = {
diff --git a/src/internal/xml-parser.ts b/src/internal/xml-parser.ts
index 9c512842..80e9d4f4 100644
--- a/src/internal/xml-parser.ts
+++ b/src/internal/xml-parser.ts
@@ -5,7 +5,8 @@ import { XMLParser } from 'fast-xml-parser'
 import * as errors from '../errors.ts'
 import { parseXml, sanitizeETag, sanitizeObjectKey, toArray } from './helper.ts'
 import { readAsString } from './response.ts'
-import type { BucketItemFromList, BucketItemWithMetadata } from './type.ts'
+import type { BucketItemWithMetadata } from './type'
+import type { BucketItemFromList } from './type.ts'
 
 // parse XML response for bucket region
 export function parseBucketRegion(xml: string): string {
@@ -92,7 +93,7 @@ export async function parseResponseError(response: http.IncomingMessage) {
  */
 export function parseListObjectsV2WithMetadata(xml: string) {
   const result: {
-    objects: Array<BucketItemWithMetadata>
+    objects: BucketItemWithMetadata[]
     isTruncated: boolean
     nextContinuationToken: string
   } = {