diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/data-type/tree/data-type-tree.repository.ts b/src/Umbraco.Web.UI.Client/src/packages/core/data-type/tree/data-type-tree.repository.ts
index 871162e0ca..afd9f23080 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/data-type/tree/data-type-tree.repository.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/data-type/tree/data-type-tree.repository.ts
@@ -16,7 +16,7 @@ export class UmbDataTypeTreeRepository
 
 	async requestTreeRoot() {
 		const data = {
-			id: null,
+			unique: null,
 			type: UMB_DATA_TYPE_ROOT_ENTITY_TYPE,
 			name: 'Data Types',
 			icon: 'icon-folder',