diff --git a/apps/red-ui/src/app/modules/file-preview/file-preview-screen.component.ts b/apps/red-ui/src/app/modules/file-preview/file-preview-screen.component.ts
index 74ffedca4..7258e4502 100644
--- a/apps/red-ui/src/app/modules/file-preview/file-preview-screen.component.ts
+++ b/apps/red-ui/src/app/modules/file-preview/file-preview-screen.component.ts
@@ -451,7 +451,7 @@ export class FilePreviewScreenComponent
         }
     }
 
-    async viewerReady(pageNumber: string = this._activatedRoute.snapshot.queryParams.page) {
+    async viewerReady(pageNumber?: string) {
         if (pageNumber) {
             const file = this.state.file();
             let page = parseInt(pageNumber, 10);