diff --git a/lib/core/viewer/components/pdf-viewer.component.ts b/lib/core/viewer/components/pdf-viewer.component.ts
index e2746e890c..43c8ec703e 100644
--- a/lib/core/viewer/components/pdf-viewer.component.ts
+++ b/lib/core/viewer/components/pdf-viewer.component.ts
@@ -33,6 +33,7 @@ import { RenderingQueueServices } from '../services/rendering-queue.services';
 import { PdfPasswordDialogComponent } from './pdf-viewer-password-dialog';
 import { AppConfigService } from './../../app-config/app-config.service';
 import { PDFDocumentProxy, PDFSource } from 'pdfjs-dist';
+import { timer } from 'rxjs';
 
 declare const pdfjsLib: any;
 declare const pdfjsViewer: any;
@@ -236,15 +237,15 @@ export class PdfViewerComponent implements OnChanges, OnDestroy {
         }
 
         if (this.loadingTask) {
-            try {
-                this.loadingTask.destroy();
-            } catch {
-            }
-
-            this.loadingTask = null;
+            timer(700).subscribe(() => this.destroyPdJsWorker());
         }
     }
 
+    private destroyPdJsWorker() {
+        this.loadingTask.destroy();
+        this.loadingTask = null;
+    }
+
     toggleThumbnails() {
         this.showThumbnails = !this.showThumbnails;
     }