diff --git a/backend/services/trading-service/src/application/services/payment-proof.service.ts b/backend/services/trading-service/src/application/services/payment-proof.service.ts
index 18700e1e..2be0be87 100644
--- a/backend/services/trading-service/src/application/services/payment-proof.service.ts
+++ b/backend/services/trading-service/src/application/services/payment-proof.service.ts
@@ -1,7 +1,7 @@
 import { Injectable, Logger } from '@nestjs/common';
 import * as fs from 'fs';
 import * as path from 'path';
-import sharp from 'sharp';
+import * as sharp from 'sharp';
 
 export interface ProofData {
   orderNo: string;