diff --git a/htdocs/product/list.php b/htdocs/product/list.php
index 279f96882b7..1fa96a91f37 100644
--- a/htdocs/product/list.php
+++ b/htdocs/product/list.php
@@ -752,16 +752,16 @@ if ($resql)
 				$duration_value	= substr($obj->duration,0,dol_strlen($obj->duration)-1);
 				$duration_unit	= substr($obj->duration,-1);
          
-				if ($duration_value > 1)
+				if ((float) $duration_value > 1)
 				{
 				    $dur=array("i"=>$langs->trans("Minutes"),"h"=>$langs->trans("Hours"),"d"=>$langs->trans("Days"),"w"=>$langs->trans("Weeks"),"m"=>$langs->trans("Months"),"y"=>$langs->trans("Years"));
 				}
-				else if ($duration_value > 0)
+				else if ((float) $duration_value > 0)
 				{
 				    $dur=array("i"=>$langs->trans("Minute"),"h"=>$langs->trans("Hour"),"d"=>$langs->trans("Day"),"w"=>$langs->trans("Week"),"m"=>$langs->trans("Month"),"y"=>$langs->trans("Year"));
 				}
-				print $duration_value." ";	
-				print (! empty($duration_unit) && isset($dur[$duration_unit]) ? $langs->trans($dur[$duration_unit]) : '');
+				print $duration_value;
+				print (! empty($duration_unit) && isset($dur[$duration_unit]) ? ' '.$langs->trans($dur[$duration_unit]) : '');
           
 				print '</td>';
 				if (! $i) $totalarray['nbfield']++;