diff --git a/public/index.js b/public/index.js
index 8e3511e..5ceb3ec 100644
--- a/public/index.js
+++ b/public/index.js
@@ -77,7 +77,7 @@ async function makeScheduleTable() {
 scheduleForm.onsubmit = async (ev) => {
     ev.preventDefault();
     const formdata = new FormData(ev.target);
-    const data = formdata.entries().reduce(
+    const data = [...formdata].reduce(
         (acc, [key, val]) => ({ ...acc, [key]: val }),
         {},
     );