diff --git a/lib/complex-types.d.ts b/lib/complex-types.d.ts
index ef06b3a..e5a2cb3 100644
--- a/lib/complex-types.d.ts
+++ b/lib/complex-types.d.ts
@@ -10,7 +10,7 @@ import type {Visitor} from './index.js'
 export type InclusiveDescendant<
   Tree extends Node = never,
   Found = void
-> = Tree extends Parent
+> = [Tree] extends [Parent]
   ?
       | Tree
       | InclusiveDescendant<