diff --git a/htdocs/compta/facture/card-rec.php b/htdocs/compta/facture/card-rec.php
index 3502f31d822..1515b0c5322 100644
--- a/htdocs/compta/facture/card-rec.php
+++ b/htdocs/compta/facture/card-rec.php
@@ -10,6 +10,7 @@
  * Copyright (C) 2016       Meziane Sof             <virtualsof@yahoo.fr>
  * Copyright (C) 2017-2018  Frédéric France         <frederic.france@netlogic.fr>
  * Copyright (C) 2023       Nick Fragoulis
+ * Copyright (C) 2024		MDW							<mdeweerd@users.noreply.github.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -542,7 +543,7 @@ if (empty($reshook)) {
 				//$tva_npr = $datapriceofproduct['tva_npr'];
 
 				$tmpvat = (float) price2num(preg_replace('/\s*\(.*\)/', '', $tva_tx));
-				$tmpprodvat = price2num(preg_replace('/\s*\(.*\)/', '', $prod->tva_tx));
+				$tmpprodvat = price2num(preg_replace('/\s*\(.*\)/', '', (string) $prod->tva_tx));
 
 				// if price ht was forced (ie: from gui when calculated by margin rate and cost price). TODO Why this ?
 				if (!empty($price_ht)) {