diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/tree/tree.element.ts b/src/Umbraco.Web.UI.Client/src/packages/core/tree/tree.element.ts
index de7c270b54..aa06b67efa 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/tree/tree.element.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/tree/tree.element.ts
@@ -119,7 +119,7 @@ export class UmbTreeElement extends UmbLitElement {
this._items,
// TODO: use unique here:
(item, index) => item.name + '___' + index,
- (item) => html``
+ (item) => html``,
)}
`;
}