diff --git a/classes/Product.php b/classes/Product.php
index 248c7ad6a..211697d20 100644
--- a/classes/Product.php
+++ b/classes/Product.php
@@ -757,15 +757,19 @@ class ProductCore extends ObjectModel
 		// take the first selected category to get the category tree (nleft and nright)
 		$category = new Category($categories[0]);
 		// get max position in each categories
+		$and = '';
+		if (Shop::isFeatureActive())
+			$and = '
+				AND (c.`nleft` < '.(int)$category->nleft.'
+				AND c.`nright` > '.(int)$category->nright.'
+				AND c.`level_depth` = 1)';
 		$result = Db::getInstance()->executeS('
 			SELECT c.`id_category`
 			FROM `'._DB_PREFIX_.'category_product` cp
 			LEFT JOIN `'._DB_PREFIX_.'category` c
 				ON (c.`id_category` = cp.`id_category`)
 			WHERE cp.`id_category` NOT IN('.implode(',', array_map('intval', $categories)).')
-				AND (c.`nleft` < '.(int)$category->nleft.'
-				AND c.`nright` > '.(int)$category->nright.'
-				AND c.`level_depth` = 1)
+				'.$and.'
 				AND cp.id_product = '.$this->id
 		);
 		foreach ($result as $categ_to_delete)