From dd18f9ab83b766c2474b3d9ad4a843e274d9e84f Mon Sep 17 00:00:00 2001
From: Jonas Nicklas <jonas@jnicklas.com>
Date: Thu, 11 Jan 2024 12:10:14 +0100
Subject: [PATCH] Set proper form id in hidden field

---
 .changeset/olive-cows-doubt.md | 5 +++++
 lib/form.tsx                   | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/olive-cows-doubt.md

diff --git a/.changeset/olive-cows-doubt.md b/.changeset/olive-cows-doubt.md
new file mode 100644
index 0000000..e7507b7
--- /dev/null
+++ b/.changeset/olive-cows-doubt.md
@@ -0,0 +1,5 @@
+---
+"signal-form": patch
+---
+
+Fix form id hidden field value
diff --git a/lib/form.tsx b/lib/form.tsx
index 5efe098..8d0753c 100644
--- a/lib/form.tsx
+++ b/lib/form.tsx
@@ -53,7 +53,7 @@ export function SignalForm<S extends AnyObjectSchema>({
     <Form id={id || formId} {...props} onSubmit={formContext.onSubmit}>
       <FormContext.Provider value={formContext}>
         <FieldsContext.Provider value={formContext}>
-          <input type="hidden" name="_formId" value={formId} />
+          <input type="hidden" name="_formId" value={id || formId} />
           {children}
         </FieldsContext.Provider>
       </FormContext.Provider>