diff --git a/classes/Product.php b/classes/Product.php
index 8af855564..480757db4 100644
--- a/classes/Product.php
+++ b/classes/Product.php
@@ -798,7 +798,7 @@ class ProductCore extends ObjectModel
 			SELECT c.`id_category`
 			FROM `'._DB_PREFIX_.'category_product` cp
 			LEFT JOIN `'._DB_PREFIX_.'category` c ON (c.`id_category` = cp.`id_category`)
-			'.Shop::addSqlAssociation('category', 'c', true).'
+			'.Shop::addSqlAssociation('category', 'c', true, null, true).'
 			WHERE cp.`id_category` NOT IN ('.implode(',', array_map('intval', $categories)).')
 			AND cp.id_product = '.$this->id
 		);
diff --git a/controllers/admin/AdminProductsController.php b/controllers/admin/AdminProductsController.php
index ae2b93f8d..13cd6a4db 100644
--- a/controllers/admin/AdminProductsController.php
+++ b/controllers/admin/AdminProductsController.php
@@ -1704,7 +1704,7 @@ class AdminProductsControllerCore extends AdminController
 						$this->updateDownloadProduct($object, 1);
 						$this->updateTags(Language::getLanguages(false), $object);
 						
-						if ($this->isProductFieldUpdated('category_box') && !$object->updateCategories(Tools::getValue('categoryBox'), true))
+						if ($this->isProductFieldUpdated('category_box') && !$object->updateCategories(Tools::getValue('categoryBox')))
 							$this->errors[] = Tools::displayError('An error occurred while linking object.').' <b>'.$this->table.'</b> '.Tools::displayError('To categories');
 					}