diff --git a/demo-shell/src/app/components/blob-preview/blob-preview.module.ts b/demo-shell/src/app/components/blob-preview/blob-preview.module.ts
index 2f23b198fa..b9d0a44789 100644
--- a/demo-shell/src/app/components/blob-preview/blob-preview.module.ts
+++ b/demo-shell/src/app/components/blob-preview/blob-preview.module.ts
@@ -23,7 +23,7 @@ import { ContentDirectiveModule, ContentMetadataModule, VersionManagerModule } f
 import { BlobPreviewComponent } from './blob-preview.component';
 
 import * as pdfjsLib from 'pdfjs-dist';
-pdfjsLib.PDFJS.workerSrc = 'pdf.worker.js';
+pdfjsLib.PDFJS.workerSrc = 'pdf.worker.min.js';
 pdfjsLib.PDFJS.disableFontFace = true;
 
 const routes: Routes = [
diff --git a/demo-shell/src/app/components/file-view/file-view.module.ts b/demo-shell/src/app/components/file-view/file-view.module.ts
index c3e909a357..2b5f6dd547 100644
--- a/demo-shell/src/app/components/file-view/file-view.module.ts
+++ b/demo-shell/src/app/components/file-view/file-view.module.ts
@@ -23,7 +23,7 @@ import { ContentDirectiveModule, VersionManagerModule, ContentMetadataModule } f
 import { FileViewComponent } from './file-view.component';
 
 import * as pdfjsLib from 'pdfjs-dist';
-pdfjsLib.PDFJS.workerSrc = 'pdf.worker.js';
+pdfjsLib.PDFJS.workerSrc = 'pdf.worker.min.js';
 pdfjsLib.PDFJS.disableFontFace = true;
 
 const routes: Routes = [