diff --git a/src/Umbraco.Web.UI.Client/src/core/mocks/data/data-type.data.ts b/src/Umbraco.Web.UI.Client/src/core/mocks/data/data-type.data.ts
index 1e0d80fcbc..458fc0333f 100644
--- a/src/Umbraco.Web.UI.Client/src/core/mocks/data/data-type.data.ts
+++ b/src/Umbraco.Web.UI.Client/src/core/mocks/data/data-type.data.ts
@@ -478,7 +478,11 @@ export const data: Array<DataTypeResponseModel | FolderTreeItemResponseModel> =
 		values: [
 			{
 				alias: 'fileExtensions',
-				value: ['jpg', 'jpeg', 'png'],
+				value: ['jpg', 'jpeg', 'png', 'pdf'],
+			},
+			{
+				alias: 'multiple',
+				value: true,
 			},
 		],
 	},