diff --git a/scripts/invoice/fix-sepa-last-date.php b/scripts/invoice/fix-sepa-last-date.php
new file mode 100644
index 000000000..dca4e2ad2
--- /dev/null
+++ b/scripts/invoice/fix-sepa-last-date.php
@@ -0,0 +1,39 @@
+#!/usr/bin/php
+<?php
+
+//require 'vendor/autoload.php';
+require("../../config/config.php");
+
+define('FRONKDB_SQLDEBUG',false);
+error_reporting(E_ALL & ~(E_NOTICE | E_STRICT | E_DEPRECATED));
+
+require_once(LIBDIR."/mvcfronk/mfRouter/mfRouter.php");
+require_once(LIBDIR."/mvcfronk/mfBase/mfBaseModel.php");
+require_once(LIBDIR."/mvcfronk/mfBase/mfBaseController.php");
+
+$me = new User(1);
+
+define("INTERNAL_USER_ID", $me->id);
+define("INTERNAL_USER_USERNAME", $me->username);
+
+$i = 0;
+
+foreach(InvoiceModel::search(["invoice_date>=" => 1722470400]) as $invoice) {
+    if(!$invoice->sepa_id) continue;
+    //if(!$invoice->sepa_last_date) continue;
+
+    // find last invoice
+    $last_invoice = InvoiceModel::getLast(["sepa_id" => $invoice->sepa_id, "invoice_date<" => 1722470400]);
+    if(!$last_invoice) continue;
+
+    $last_date = new DateTime("@".$last_invoice->invoice_date);
+    $last_date->setTimezone(new DateTimeZone("Europe/Vienna"));
+
+    $invoice->sepa_last_date = $last_date->format("Y-m-d");
+    $invoice->save();
+
+    $i++;
+
+}
+
+echo "updated $i invoices\n";
\ No newline at end of file