diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index 3df49b6c207..8a893b60292 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -971,7 +971,8 @@ if (empty($reshook)) {
 			}
 		}
 
-		if (!$error && ($qty >= 0) && (!empty($product_desc) || (!empty($idprod) && $idprod > 0))) {
+		$propal_qty_requirement = (!empty($conf->global->PROPAL_ENABLE_NEGATIVE_QTY) ? ($qty >= 0 || $qty <= 0) : $qty >= 0);
+		if (!$error && $propal_qty_requirement && (!empty($product_desc) || (!empty($idprod) && $idprod > 0))) {
 			$pu_ht = 0;
 			$pu_ttc = 0;
 			$price_min = 0;
diff --git a/htdocs/product/list.php b/htdocs/product/list.php
index ee1b0d4cd3b..110c993c09d 100644
--- a/htdocs/product/list.php
+++ b/htdocs/product/list.php
@@ -1760,7 +1760,7 @@ if ($resql) {
 				if ($obj->seuil_stock_alerte != '' && $product_static->stock_reel < (float) $obj->seuil_stock_alerte) {
 					print img_warning($langs->trans("StockLowerThanLimit", $obj->seuil_stock_alerte)).' ';
 				}
-				print price(price2num($product_static->stock_reel, 'MS'));
+				print price(price2num($product_static->stock_reel, 'MS'), 0, $langs, 1, 0);
 			}
 			print '</td>';
 			if (!$i) {
@@ -1774,7 +1774,7 @@ if ($resql) {
 				if ($obj->seuil_stock_alerte != '' && $product_static->stock_theorique < (float) $obj->seuil_stock_alerte) {
 					print img_warning($langs->trans("StockLowerThanLimit", $obj->seuil_stock_alerte)).' ';
 				}
-				print price(price2num($product_static->stock_theorique, 'MS'));
+				print price(price2num($product_static->stock_theorique, 'MS'), 0, $langs, 1, 0);
 			}
 			print '</td>';
 			if (!$i) {