diff --git a/fixi.js b/fixi.js
index fd70c45..0180200 100644
--- a/fixi.js
+++ b/fixi.js
@@ -10,7 +10,7 @@
 		elt.__fixi = async(evt)=>{
 			let reqs = elt.__fixi.requests ||= new Set()
 			let form = elt.form || elt.closest("form")
-			let body = new FormData(form ?? undefined, evt.submitter)
+			let body = new FormData(form ?? undefined, evt.submitter ?? (form && form === elt.form && elt?.matches('input,button') && elt.type === "submit" ? elt : undefined))
 			if (!form && elt.name) body.append(elt.name, elt.value)
 			let ac = new AbortController()
 			let cfg = {