diff --git a/.changeset/fair-panthers-notice.md b/.changeset/fair-panthers-notice.md
new file mode 100644
index 000000000000..12311421d87b
--- /dev/null
+++ b/.changeset/fair-panthers-notice.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': patch
+---
+
+allow async function for `enhance` action parameter
diff --git a/packages/kit/src/runtime/app/forms.js b/packages/kit/src/runtime/app/forms.js
index 9359f146b743..edeb43f72bb2 100644
--- a/packages/kit/src/runtime/app/forms.js
+++ b/packages/kit/src/runtime/app/forms.js
@@ -67,13 +67,13 @@ export function enhance(form, submit = () => {}) {
 		const cancel = () => (cancelled = true);
 
 		const callback =
-			submit({
+			(await submit({
 				action,
 				cancel,
 				controller,
 				data,
 				form
-			}) ?? fallback_callback;
+			})) ?? fallback_callback;
 		if (cancelled) return;
 
 		/** @type {import('types').ActionResult} */