diff --git a/fiori/app/admin/fiori-service.cds b/fiori/app/admin/fiori-service.cds
index 1aeddb9f..538c655f 100644
--- a/fiori/app/admin/fiori-service.cds
+++ b/fiori/app/admin/fiori-service.cds
@@ -6,6 +6,7 @@ using AdminService from '@capire/bookshop';
 //
 
 annotate AdminService.Books with @(
+	Common.SemanticKey: [ID, title],
 	UI: {
 		Facets: [
 			{$Type: 'UI.ReferenceFacet', Label: '{i18n>General}', Target: '@UI.FieldGroup#General'},