diff --git a/packages/backend/src/core/DownloadService.ts b/packages/backend/src/core/DownloadService.ts
index a440ac3c85..44bfdb9ffe 100644
--- a/packages/backend/src/core/DownloadService.ts
+++ b/packages/backend/src/core/DownloadService.ts
@@ -19,7 +19,10 @@ import type { Response } from 'undici';
 const pipeline = util.promisify(stream.pipeline);
 import { bindThis } from '@/decorators.js';
 
-type NonNullBodyResponse = Response & { body: ReadableStream };
+export type NonNullBodyResponse = Response & {
+	body: ReadableStream;
+	clone: () => NonNullBodyResponse;
+};
 
 @Injectable()
 export class DownloadService {
diff --git a/packages/backend/src/server/FileServerService.ts b/packages/backend/src/server/FileServerService.ts
index 1b7b887a88..d6fac44509 100644
--- a/packages/backend/src/server/FileServerService.ts
+++ b/packages/backend/src/server/FileServerService.ts
@@ -11,7 +11,7 @@ import { createTemp } from '@/misc/create-temp.js';
 import { FILE_TYPE_BROWSERSAFE } from '@/const.js';
 import { StatusError } from '@/misc/status-error.js';
 import type Logger from '@/logger.js';
-import { DownloadService } from '@/core/DownloadService.js';
+import { DownloadService, NonNullBodyResponse } from '@/core/DownloadService.js';
 import { ImageProcessingService, webpDefault } from '@/core/ImageProcessingService.js';
 import { VideoProcessingService } from '@/core/VideoProcessingService.js';
 import { InternalStorageService } from '@/core/InternalStorageService.js';
@@ -109,9 +109,9 @@ export class FileServerService {
 		if (!file.storedInternal) {
 			if (file.isLink && file.uri) {	// 期限切れリモートファイル
 				const [path, cleanup] = await createTemp();
-				const response = await this.downloadService.fetchUrl(file.uri);;
-
 				try {
+					const _response = await this.downloadService.fetchUrl(file.uri);;
+					const response = _response.clone() as NonNullBodyResponse;
 					const fileSaving = this.downloadService.pipeRequestToFile(response, path);
 
 					let { mime, ext } = await this.fileInfoService.detectRequestType(response);
diff --git a/packages/backend/src/server/MediaProxyServerService.ts b/packages/backend/src/server/MediaProxyServerService.ts
index 3926e863b6..75b5ec6936 100644
--- a/packages/backend/src/server/MediaProxyServerService.ts
+++ b/packages/backend/src/server/MediaProxyServerService.ts
@@ -8,7 +8,7 @@ import { DI } from '@/di-symbols.js';
 import type { Config } from '@/config.js';
 import { isMimeImage } from '@/misc/is-mime-image.js';
 import { createTemp } from '@/misc/create-temp.js';
-import { DownloadService } from '@/core/DownloadService.js';
+import { DownloadService, NonNullBodyResponse } from '@/core/DownloadService.js';
 import { IImageStreamable, ImageProcessingService, webpDefault } from '@/core/ImageProcessingService.js';
 import type { IImage } from '@/core/ImageProcessingService.js';
 import { FILE_TYPE_BROWSERSAFE } from '@/const.js';
@@ -75,9 +75,9 @@ export class MediaProxyServerService {
 
 		// Create temp file
 		const [path, cleanup] = await createTemp();
-		const response = await this.downloadService.fetchUrl(url);
-
 		try {
+			const _response = await this.downloadService.fetchUrl(url);	
+			const response = _response.clone() as NonNullBodyResponse;
 			const fileSaving = this.downloadService.pipeRequestToFile(response, path);
 
 			let { mime, ext } = await this.fileInfoService.detectRequestType(response);