From 78ba1fe86ee88e7474a8fc87e8a0fc98f3d7d0cf Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Thu, 12 Feb 2015 00:01:31 +0100
Subject: [PATCH] Fix bad null management

---
 htdocs/product/stock/class/mouvementstock.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/product/stock/class/mouvementstock.class.php b/htdocs/product/stock/class/mouvementstock.class.php
index e4e231906a9..db73e541a55 100644
--- a/htdocs/product/stock/class/mouvementstock.class.php
+++ b/htdocs/product/stock/class/mouvementstock.class.php
@@ -129,7 +129,7 @@ class MouvementStock extends CommonObject
 			$sql.= " VALUES ('".$this->db->idate($now)."', ".$this->product_id.", ".$this->entrepot_id.", ".$this->qty.", ".$this->type.",";
 			$sql.= " ".$user->id.",";
 			$sql.= " '".$this->db->escape($label)."',";
-			$sql.= " '".$this->db->escape($inventorycode)."',";
+			$sql.= " ".($inventorycode?"'".$this->db->escape($inventorycode)."'":"null").",";
 			$sql.= " '".price2num($price)."',";
 			$sql.= " '".$fk_origin."',";
 			$sql.= " '".$origintype."'";