---
title: Guesty coupon rejected after changing dates
description: "When a guest changes the dates of a stay, the booking panel may show the message \"Sorry, this coupon has either expired or invalid\" for a coupon that was…"
url: "https://homerunner.io/docs/why-does-my-coupon-show-sorry-this-coupon-has-either-expired-or-invalid-after-i/"
updated: "2026-10-26"
category: Booking engine and checkout
---

# Guesty coupon rejected after changing dates

When a guest changes the dates of a stay, the booking panel may show the message "Sorry, this coupon has either expired or invalid" for a coupon that was already entered.

**Why this happens.** Guesty rejects the code if it has expired, or if the new stay no longer meets the coupon's rules, such as the stay window, minimum nights, or usage limit. A code that is still valid for the new dates stays applied.

**What you can do.** The message reflects the coupon's rules in Guesty, so check the coupon's validity dates and conditions there.

Still stuck? [Contact the HomeRunner team](https://homerunner.io/contact/) with your site address and what you tried, and we take it from there.