diff --git a/classes/Product.php b/classes/Product.php
index 751e63aaf..2aed843c8 100644
--- a/classes/Product.php
+++ b/classes/Product.php
@@ -188,6 +188,12 @@ class ProductCore extends ObjectModel
 	/*** @var array Tags */
 	public $tags;
 
+	/*
+	 * @since 1.5.0
+	 * @var boolean Product stock management type
+	 */
+	public $advanced_stock_management;
+
 	public $isFullyLoaded = false;
 
 	public $cache_is_pack;
@@ -4643,17 +4649,17 @@ class ProductCore extends ObjectModel
 			Search::indexation(false, $this->id);
 		return $success;
 	}
-	
+
 	public static function getRealQuantity($id_product, $id_product_attribute = 0, $id_warehouse = 0, $id_shop = null)
 	{
 		static $manager = null;
-		
+
 		if (Configuration::get('PS_ADVANCED_STOCK_MANAGEMENT') && is_null($manager))
 			$manager = StockManagerFactory::getManager();
-		
+
 		if (is_null($id_shop))
 			$id_shop = Context::getContext()->shop->getID(true);
-		
+
 		if (Configuration::get('PS_ADVANCED_STOCK_MANAGEMENT') && StockAvailable::dependsOnStock($id_product, $id_shop))
 			return $manager->getProductRealQuantities($id_product, $id_product_attribute, $id_warehouse, true);
 		else
diff --git a/classes/ProductSupplier.php b/classes/ProductSupplier.php
index 3ef483025..f5e239ccb 100644
--- a/classes/ProductSupplier.php
+++ b/classes/ProductSupplier.php
@@ -66,13 +66,12 @@ class ProductSupplierCore extends ObjectModel
 		'table' => 'product_supplier',
 		'primary' => 'id_product_supplier',
 		'fields' => array(
-			'product_supplier_reference' => array('type' => self::TYPE_INT, 'validate' => 'isReference'),
+			'product_supplier_reference' => array('type' => self::TYPE_INT, 'validate' => 'isReference', 'size' => 32),
 			'id_product' => 				array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
 			'id_product_attribute' => 		array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
 			'id_supplier' => 				array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
 			'product_supplier_price_te' => 	array('type' => self::TYPE_FLOAT, 'validate' => 'isPrice'),
 			'id_currency' => 				array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
-			'supplier_reference' => 		array('type' => self::TYPE_STRING, 'size' => 32),
 		),
 	);