diff --git a/src/Umbraco.Web.UI.Client/src/packages/static-file/repository/static-file-tree.repository.ts b/src/Umbraco.Web.UI.Client/src/packages/static-file/repository/static-file-tree.repository.ts
index ffcf465c8a..31afb5f2eb 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/static-file/repository/static-file-tree.repository.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/static-file/repository/static-file-tree.repository.ts
@@ -17,6 +17,7 @@ export class UmbStaticFileTreeRepository
 	async requestTreeRoot() {
 		const data = {
 			id: null,
+			unique: null,
 			type: UMB_STATIC_FILE_ROOT_ENTITY_TYPE,
 			name: 'StaticFiles',
 			icon: 'icon-folder',