diff --git a/includes/compatibility/pdf-invoices-and-packing-slips-for-woocommerce.php b/includes/compatibility/pdf-invoices-and-packing-slips-for-woocommerce.php
index 8d6f638..c0c62ec 100644
--- a/includes/compatibility/pdf-invoices-and-packing-slips-for-woocommerce.php
+++ b/includes/compatibility/pdf-invoices-and-packing-slips-for-woocommerce.php
@@ -41,4 +41,6 @@ function woolab_icdic_apifw_ps_custom_billing_fields($html, $order_id) {
 
     return $html;
 }
-add_filter('apifw_ps_custom_billing_fields', 'woolab_icdic_apifw_ps_custom_billing_fields', 10, 2);
\ No newline at end of file
+// add_filter('apifw_ps_custom_billing_fields', 'woolab_icdic_apifw_ps_custom_billing_fields', 10, 2);
+add_filter('apifw_invoice_custom_billing_fields', 'woolab_icdic_apifw_ps_custom_billing_fields', 10, 2);
+
diff --git a/readme.txt b/readme.txt
index b246a66..6a533c6 100644
--- a/readme.txt
+++ b/readme.txt
@@ -133,6 +133,7 @@ Either post it on [GitHub](https://github.com/vyskoczilova/kybernaut-ic-dic) or
 = 1.8.2 (2024-01-09) =
 
 * Feature: added support for [WooCommerce PDF Invoices and Packing Slips for WooCommerce](https://wordpress.org/plugins/pdf-invoices-and-packing-slips-for-woocommerce/) by Acowebs (sponsored by [tuningmotocyklov.sk](https://www.tuningmotocyklov.sk))
+* Fixed compatibility with Fluid Checkout (using the JS they provided me)
 
 = 1.8.1 (2024-01-05) =