diff --git a/api/v1/classes/PowaTagOrders.php b/api/v1/classes/PowaTagOrders.php
index 88da73c..37a1d11 100644
--- a/api/v1/classes/PowaTagOrders.php
+++ b/api/v1/classes/PowaTagOrders.php
@@ -412,7 +412,7 @@ private function addProductsToCart($cart, $codeCountry)
 
 						return false;
 					}
-					if($p->quantity < $product->minimal_quantity || ($combination && $combination->minimal_quantity > $product->minimal_quantity))
+					if($p->quantity < $product->minimal_quantity || ($combination && $combination->minimal_quantity > $p->quantity))
 					{
 						$this->addError(sprintf($this->module->l('Quantity < minimal quantity for product')), PowaTagAbstract::$NOT_IN_STOCK);