diff --git a/classes/Attachment.php b/classes/Attachment.php
index 0aa540c90..8becbcb30 100644
--- a/classes/Attachment.php
+++ b/classes/Attachment.php
@@ -127,12 +127,14 @@ class AttachmentCore extends ObjectModel
 	public static function attachToProduct($id_product, $array)
 	{
 		$result1 = Attachment::deleteProductAttachments($id_product);
+
 		if (is_array($array))
 		{
 			$ids = array();
 			foreach ($array as $id_attachment)
 				if ((int)$id_attachment > 0)
-					$ids[] = '('.(int)$id_product.','.(int)$id_attachment.')';
+					$ids[] = array('id_product' => (int)$id_product, 'id_attachment' => (int)$id_attachment);
+
 			Db::getInstance()->execute('
 				UPDATE '._DB_PREFIX_.'product
 				SET cache_has_attachments = '.(count($ids) ? '1' : '0').'
@@ -140,10 +142,10 @@ class AttachmentCore extends ObjectModel
 				LIMIT 1
 			');
 
-			return ($result1 && count($ids) && Db::getInstance()->execute('
-				INSERT INTO '._DB_PREFIX_.'product_attachment (id_product, id_attachment)
-				VALUES '.implode(',', $ids))
-			);
+			if (!empty($ids))
+				$result2 = Db::getInstance()->insert('product_attachment', $ids);
+
+			return ($result1 && (!isset($result2) || $result2));
 		}
 		return $result1;
 	}