From c1932aab1248ffe1ee48334a88c2629bef96a3fb Mon Sep 17 00:00:00 2001
From: ComputerGuy <63362464+Ocean-OS@users.noreply.github.com>
Date: Sun, 18 May 2025 13:26:47 -0700
Subject: [PATCH] oops

---
 packages/svelte/src/internal/client/dom/elements/attributes.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/svelte/src/internal/client/dom/elements/attributes.js b/packages/svelte/src/internal/client/dom/elements/attributes.js
index ca24a28211..20c7f74c28 100644
--- a/packages/svelte/src/internal/client/dom/elements/attributes.js
+++ b/packages/svelte/src/internal/client/dom/elements/attributes.js
@@ -448,7 +448,7 @@ export function set_attributes(element, prev, next, css_hash, skip_warning = fal
 	}
 
 	for (let symbol of Object.getOwnPropertySymbols(next)) {
-		if (symbol.description === ATTACHMENT_KEY && !(key in prev)) {
+		if (symbol.description === ATTACHMENT_KEY && (prev == undefined || !(symbol in prev))) {
 			attach(element, () => next[symbol]);
 		}
 	}