From e0681d0165866428eb1bbfc2501978225260a3f5 Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Wed, 9 Mar 2016 23:20:44 +0100
Subject: [PATCH] Fix unit not visible if not defined

---
 htdocs/core/modules/expedition/doc/pdf_rouget.modules.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
index 062812fb811..58da00607b8 100644
--- a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
@@ -451,7 +451,7 @@ class pdf_rouget extends ModelePdfExpedition
 					$voltxt='';
 					if ($object->lines[$i]->fk_product_type == 0 && $object->lines[$i]->volume) 
 					{
-					    $voltxt=$object->lines[$i]->volume*$object->lines[$i]->qty_shipped.' '.measuring_units_string($object->lines[$i]->volume_units,"volume");
+					    $voltxt=$object->lines[$i]->volume*$object->lines[$i]->qty_shipped.' '.measuring_units_string($object->lines[$i]->volume_units?$object->lines[$i]->volume_units:0,"volume");
 					}
 					
 					$pdf->MultiCell(($this->posxqtyordered - $this->posxweightvol), 3, $weighttxt.(($weighttxt && $voltxt)?', ':'').$voltxt,'','C');