diff --git a/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/Child.svelte b/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/Child.svelte
new file mode 100644
index 0000000000..f7ba132ace
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/Child.svelte
@@ -0,0 +1,9 @@
+<script>
+	import { route } from "./main.svelte";
+
+	await new Promise(async (_, reject) => {
+		await Promise.resolve();
+		route.current = 'other'
+		route.reject = reject;
+	});
+</script>
diff --git a/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/_config.js b/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/_config.js
new file mode 100644
index 0000000000..298e33e9a2
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/_config.js
@@ -0,0 +1,15 @@
+import { tick } from 'svelte';
+import { test } from '../../test';
+
+export default test({
+	html: `<button>reject</button> <p>pending</p>`,
+
+	async test({ assert, target }) {
+		const [reject] = target.querySelectorAll('button');
+
+		await tick();
+		reject.click();
+		await tick();
+		assert.htmlEqual(target.innerHTML, '<button>reject</button> <p>route: other</p>');
+	}
+});
diff --git a/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/main.svelte b/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/main.svelte
new file mode 100644
index 0000000000..2f461e96c8
--- /dev/null
+++ b/packages/svelte/tests/runtime-runes/samples/async-top-level-error-nested/main.svelte
@@ -0,0 +1,18 @@
+<script module>
+	import Child from './Child.svelte';
+	export let route = $state({ current: 'home' });
+</script>
+
+<button onclick={() => route.reject()}>reject</button>
+
+<svelte:boundary>
+	{#if route.current === 'home'}
+		<Child />
+	{:else}
+		<p>route: {route.current}</p>
+	{/if}
+
+	{#snippet pending()}
+		<p>pending</p>
+	{/snippet}
+</svelte:boundary>