diff --git a/htdocs/compta/facture/card.php b/htdocs/compta/facture/card.php
index 265f515233f..1f6a03ca351 100644
--- a/htdocs/compta/facture/card.php
+++ b/htdocs/compta/facture/card.php
@@ -2367,7 +2367,7 @@ if (empty($reshook)) {
 		$line = new FactureLigne($db);
 		$line->fetch(GETPOST('lineid', 'int'));
 		$percent = $line->get_prev_progress($object->id);
-		$progress = floatval(GETPOST('progress', 'int'));
+		$progress = price2num(GETPOST('progress', 'alpha'));
 
 		if ($object->type == Facture::TYPE_CREDIT_NOTE && $object->situation_cycle_ref > 0) {
 			// in case of situation credit note