From ac5c4043db0600a5597d2967fef13086456b43b1 Mon Sep 17 00:00:00 2001
From: Ludy87 <Ludy87@users.noreply.github.com>
Date: Thu, 25 Sep 2025 08:56:43 +0200
Subject: [PATCH] Update thumbnailUtils.ts

---
 frontend/src/utils/thumbnailUtils.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/frontend/src/utils/thumbnailUtils.ts b/frontend/src/utils/thumbnailUtils.ts
index bbd2996f0..ff8698e4c 100644
--- a/frontend/src/utils/thumbnailUtils.ts
+++ b/frontend/src/utils/thumbnailUtils.ts
@@ -1,3 +1,4 @@
+import { PDFDocumentProxy } from 'pdfjs-dist';
 import { pdfWorkerManager } from '../services/pdfWorkerManager';
 
 export interface ThumbnailWithMetadata {
@@ -255,7 +256,7 @@ function drawLargeLockIcon(ctx: CanvasRenderingContext2D, centerX: number, cente
 /**
  * Generate standard PDF thumbnail by rendering first page
  */
-async function generateStandardPDFThumbnail(pdf: unknown, scale: number): Promise<string> {
+async function generateStandardPDFThumbnail(pdf: PDFDocumentProxy, scale: number): Promise<string> {
   const page = await pdf.getPage(1);
   const viewport = page.getViewport({ scale });
   const canvas = document.createElement("canvas");
@@ -267,7 +268,7 @@ async function generateStandardPDFThumbnail(pdf: unknown, scale: number): Promis
     throw new Error('Could not get canvas context');
   }
 
-  await page.render({ canvasContext: context, viewport }).promise;
+  await page.render({ canvasContext: context, viewport, canvas }).promise;
   return canvas.toDataURL();
 }