From ac05b73380095f7e399716b97b1436e75f8b09d9 Mon Sep 17 00:00:00 2001
From: Rich Harris <rich.harris@vercel.com>
Date: Sat, 12 Apr 2025 17:50:35 -0400
Subject: [PATCH] fix

---
 packages/svelte/src/internal/client/proxy.js | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/packages/svelte/src/internal/client/proxy.js b/packages/svelte/src/internal/client/proxy.js
index 633c6a0eeb..806f9a324a 100644
--- a/packages/svelte/src/internal/client/proxy.js
+++ b/packages/svelte/src/internal/client/proxy.js
@@ -296,10 +296,6 @@ export function proxy(value, onchange) {
 				if (s === undefined) {
 					if (!has || get_descriptor(target, prop)?.writable) {
 						s = with_parent(() => source(undefined, onchange, stack));
-						set(
-							s,
-							with_parent(() => proxy(value, onchange))
-						);
 						sources.set(prop, s);
 					}
 				} else {
@@ -310,7 +306,9 @@ export function proxy(value, onchange) {
 					if (onchange && typeof s.v === 'object' && s.v !== null && STATE_SYMBOL in s.v) {
 						s.v[PROXY_ONCHANGE_SYMBOL](onchange, true);
 					}
+				}
 
+				if (s !== undefined) {
 					set(
 						s,
 						with_parent(() => proxy(value, onchange))