diff --git a/htdocs/core/actions_massactions.inc.php b/htdocs/core/actions_massactions.inc.php
index 62280a7cce2..57dbaecd040 100644
--- a/htdocs/core/actions_massactions.inc.php
+++ b/htdocs/core/actions_massactions.inc.php
@@ -1375,7 +1375,7 @@ if (!$error && ($action == 'updateprice' && $confirm == 'yes') && $permissiontoa
 						}
 					} elseif (getDolGlobalString('PRODUIT_MULTIPRICES')) {
 						$maxlevel = getDolGlobalInt('PRODUIT_MULTIPRICES_LIMIT');
-						for ($level = 1; $level <= $malevel; $level++) {
+						for ($level = 1; $level <= $maxlevel; $level++) {
 							if ($object->price_base_type == 'TTC') {
 								$newprice = $object->multiprices_ttc[$level] * (100 + $pricepercentage) / 100;
 								$minprice = $object->multiprices_min_ttc[$level];