diff --git a/htdocs/fourn/facture/card-rec.php b/htdocs/fourn/facture/card-rec.php
index 8ba6c8be50e3f..7d6e4c1b7727d 100644
--- a/htdocs/fourn/facture/card-rec.php
+++ b/htdocs/fourn/facture/card-rec.php
@@ -778,7 +778,7 @@
 			$special_code = 3;
 		}
 
-		$remise_percent = price2num(GETPOST('remise_percent'), '', 2);
+		$remise_percent = price2num(GETPOST('remise_percent'), '', 2) ?: 0;
 
 		// Check minimum price
 		$productid = GETPOST('productid', 'int');