diff --git a/htdocs/compta/facture/card-rec.php b/htdocs/compta/facture/card-rec.php
index 1e7ae045cae..12567f00f99 100644
--- a/htdocs/compta/facture/card-rec.php
+++ b/htdocs/compta/facture/card-rec.php
@@ -809,7 +809,7 @@ if (empty($reshook)) {
 			$typeinvoice = Facture::TYPE_STANDARD;
 
 			// Check price is not lower than minimum (check is done only for standard or replacement invoices)
-			if (((!empty($conf->global->MAIN_USE_ADVANCED_PERMS) && empty($user->rights->produit->ignore_price_min_advance)) || empty($conf->global->MAIN_USE_ADVANCED_PERMS)) && (($typeinvoice == Facture::TYPE_STANDARD || $typeinvoice == Facture::TYPE_REPLACEMENT) && $price_min && (price2num($pu_ht) * (1 - $remise_percent / 100) < price2num($price_min)))) {
+			if (((!empty($conf->global->MAIN_USE_ADVANCED_PERMS) && empty($user->rights->produit->ignore_price_min_advance)) || empty($conf->global->MAIN_USE_ADVANCED_PERMS)) && (($typeinvoice == Facture::TYPE_STANDARD || $typeinvoice == Facture::TYPE_REPLACEMENT) && $price_min && ((float) price2num($pu_ht) * (1 - $remise_percent / 100) < (float) price2num($price_min)))) {
 				setEventMessages($langs->trans("CantBeLessThanMinPrice", price(price2num($price_min, 'MU'), 0, $langs, 0, 0, - 1, $conf->currency)), null, 'errors');
 				$error++;
 			}