diff --git a/packages/backend/src/core/FileInfoService.ts b/packages/backend/src/core/FileInfoService.ts
index 169285f033..6bd6cb8d9b 100644
--- a/packages/backend/src/core/FileInfoService.ts
+++ b/packages/backend/src/core/FileInfoService.ts
@@ -15,7 +15,7 @@ import isSvg from 'is-svg';
 import probeImageSize from 'probe-image-size';
 import { type predictionType } from 'nsfwjs';
 import { sharpBmp } from '@misskey-dev/sharp-read-bmp';
-import { encode } from 'blurhash';
+import * as blurhash from 'blurhash';
 import { createTempDir } from '@/misc/create-temp.js';
 import { AiService } from '@/core/AiService.js';
 import { LoggerService } from '@/core/LoggerService.js';
@@ -452,7 +452,7 @@ export class FileInfoService {
 	}
 
 	/**
-	 * Calculate average color of image
+	 * Calculate blurhash string of image
 	 */
 	@bindThis
 	private getBlurhash(path: string, type: string): Promise<string> {
@@ -467,7 +467,7 @@ export class FileInfoService {
 					let hash;
 
 					try {
-						hash = encode(new Uint8ClampedArray(buffer), info.width, info.height, 5, 5);
+						hash = blurhash.encode(new Uint8ClampedArray(buffer), info.width, info.height, 5, 5);
 					} catch (e) {
 						return reject(e);
 					}