diff --git a/.gitignore b/.gitignore
index a81486cfb..6fc2ef2f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,5 @@
 /docs/node_modules
 
 .npmrc
+
+.DS_Store
diff --git a/src/component/Overlay.ts b/src/component/Overlay.ts
index eed315947..88b96f342 100644
--- a/src/component/Overlay.ts
+++ b/src/component/Overlay.ts
@@ -273,7 +273,10 @@ export default class OverlayImp<E = unknown> implements Overlay<E> {
   }
 
   override (overlay: Partial<Overlay<E>>): void {
-    this._prevOverlay = clone(this)
+    this._prevOverlay = clone({
+      ...this,
+      _prevOverlay: null
+    })
 
     const {
       id,