diff --git a/frontend/src/routes/admin/users/new/page.svelte.test.ts b/frontend/src/routes/admin/users/new/page.svelte.test.ts
index 264dd628..97528d4e 100644
--- a/frontend/src/routes/admin/users/new/page.svelte.test.ts
+++ b/frontend/src/routes/admin/users/new/page.svelte.test.ts
@@ -79,12 +79,14 @@ describe('admin/users/new page', () => {
 		expect(banner).toBeNull();
 	});
 
-	it('marks the form dirty after an input event (sets isDirty internally)', async () => {
+	it('keeps the form mounted after an input event (oninput handler does not unmount)', async () => {
 		render(AdminUserNewPage, { props: { data: baseData(), form: undefined } });
 
 		const form = document.querySelector('form#new-user-form') as HTMLFormElement;
-		// Dispatch input event on the form to trigger oninput handler
-		expect(() => form.dispatchEvent(new Event('input', { bubbles: true }))).not.toThrow();
+		expect(form).not.toBeNull();
+		form.dispatchEvent(new Event('input', { bubbles: true }));
+
+		expect(document.querySelector('form#new-user-form')).not.toBeNull();
 	});
 
 	it('hides the form-error banner when form.error is undefined', async () => {