From c2261cc7fc8ecc6cdd3d7c1c0fbec2bf2767b826 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Gaillard?= <remi.gaillard@prestashop.com>
Date: Mon, 14 Jan 2013 14:12:14 +0100
Subject: [PATCH] // fix php warning

---
 classes/helper/HelperList.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/helper/HelperList.php b/classes/helper/HelperList.php
index 142fd1214..c7d6ca626 100644
--- a/classes/helper/HelperList.php
+++ b/classes/helper/HelperList.php
@@ -530,7 +530,7 @@ class HelperListCore extends Helper
 		if ($this->position_identifier && ($this->orderBy == 'position' && $this->orderWay != 'DESC'))
 			$table_dnd = true;
 
-		$prefix = str_replace(array('admin', 'controller'), '', Tools::strtolower($this->controller_name));
+		$prefix = isset($this->controller_name) ? str_replace(array('admin', 'controller'), '', Tools::strtolower($this->controller_name)) : '';
 		foreach ($this->fields_list as $key => $params)
 		{
 			if (!isset($params['type']))