diff --git a/classes/Attribute.php b/classes/Attribute.php
index 71e324c15..b6ac51e39 100644
--- a/classes/Attribute.php
+++ b/classes/Attribute.php
@@ -47,7 +47,6 @@ class AttributeCore extends ObjectModel
 			'color' => 				array('type' => self::TYPE_STRING, 'validate' => 'isColor'),
 			'position' => 			array('type' => self::TYPE_INT, 'validate' => 'isInt'),
 
-			// Lang fields
 			'name' => 				array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName', 'required' => true, 'size' => 64),
 		)
 	);
@@ -130,7 +129,7 @@ class AttributeCore extends ObjectModel
 			return array();
 
 		return Db::getInstance()->executeS('
-			SELECT ag.*, agl.*, a.`id_attribute`, al.`name`, agl.`name` AS `attribute_group`
+			SELECT DISTINCT ag.*, agl.*, a.`id_attribute`, al.`name`, agl.`name` AS `attribute_group`
 			FROM `'._DB_PREFIX_.'attribute_group` ag
 			LEFT JOIN `'._DB_PREFIX_.'attribute_group_lang` agl
 				ON (ag.`id_attribute_group` = agl.`id_attribute_group` AND agl.`id_lang` = '.(int)$id_lang.')