diff --git a/src/Umbraco.Web.UI.Client/src/packages/data-type/types.ts b/src/Umbraco.Web.UI.Client/src/packages/data-type/types.ts
index 77e3bd99f5..366f7823f3 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/data-type/types.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/data-type/types.ts
@@ -5,7 +5,7 @@ export interface UmbDataTypeDetailModel {
 	unique: string;
 	name: string;
 	editorAlias: string | undefined;
-	editorUiAlias: string;
+	editorUiAlias: string | null;
 	values: Array<UmbDataTypePropertyModel>;
 }