diff --git a/packages/svelte2tsx/svelte-jsx.d.ts b/packages/svelte2tsx/svelte-jsx.d.ts
index a7faaa51e..848ffbe0a 100644
--- a/packages/svelte2tsx/svelte-jsx.d.ts
+++ b/packages/svelte2tsx/svelte-jsx.d.ts
@@ -100,7 +100,7 @@ declare namespace svelte.JSX {
       onchange?: FormEventHandler<T> | undefined | null;
       oninput?: FormEventHandler<T> | undefined | null;
       onreset?: FormEventHandler<T> | undefined | null;
-      onsubmit?: FormEventHandler<T> | undefined | null;
+      onsubmit?: EventHandler<SubmitEvent, T> | undefined | null;
       oninvalid?: EventHandler<Event, T> | undefined | null;
       onbeforeinput?: EventHandler<InputEvent, T> | undefined | null;