diff --git a/apps/red-ui/src/app/modules/dossier/services/annotation-processing.service.ts b/apps/red-ui/src/app/modules/dossier/services/annotation-processing.service.ts
index 05dd51983..1bb000a10 100644
--- a/apps/red-ui/src/app/modules/dossier/services/annotation-processing.service.ts
+++ b/apps/red-ui/src/app/modules/dossier/services/annotation-processing.service.ts
@@ -8,7 +8,7 @@ import { IViewedPage } from '@red/domain';
 
 @Injectable()
 export class AnnotationProcessingService {
-    static secondaryAnnotationFilters(viewedPages: IViewedPage[]): INestedFilter[] {
+    static secondaryAnnotationFilters(viewedPages?: IViewedPage[]): INestedFilter[] {
         const _viewedPages = viewedPages ? viewedPages.map(page => page.page) : [];
         return [
             {