diff --git a/htdocs/product/card.php b/htdocs/product/card.php
index 03cfbc7f841..dc7d0d5a452 100644
--- a/htdocs/product/card.php
+++ b/htdocs/product/card.php
@@ -1033,7 +1033,8 @@ else
         if ($type == 1)
         {
             print '<tr><td>' . $langs->trans("Duration") . '</td><td colspan="3"><input name="duration_value" size="6" maxlength="5" value="' . $duration_value . '"> &nbsp;';
-            print '<input name="duration_unit" type="radio" value="h">'.$langs->trans("Hour").'&nbsp;';
+            print '<input name="duration_unit" type="radio" value="i">'.$langs->trans("Minute").'&nbsp;';
+	    print '<input name="duration_unit" type="radio" value="h">'.$langs->trans("Hour").'&nbsp;';
             print '<input name="duration_unit" type="radio" value="d">'.$langs->trans("Day").'&nbsp;';
             print '<input name="duration_unit" type="radio" value="w">'.$langs->trans("Week").'&nbsp;';
             print '<input name="duration_unit" type="radio" value="m">'.$langs->trans("Month").'&nbsp;';
@@ -1401,6 +1402,8 @@ else
                 // Duration
                 print '<tr><td>'.$langs->trans("Duration").'</td><td colspan="3"><input name="duration_value" size="3" maxlength="5" value="'.$object->duration_value.'">';
                 print '&nbsp; ';
+                print '<input name="duration_unit" type="radio" value="i"'.($object->duration_unit=='i'?' checked':'').'>'.$langs->trans("Minute");
+		print '&nbsp; ';
                 print '<input name="duration_unit" type="radio" value="h"'.($object->duration_unit=='h'?' checked':'').'>'.$langs->trans("Hour");
                 print '&nbsp; ';
                 print '<input name="duration_unit" type="radio" value="d"'.($object->duration_unit=='d'?' checked':'').'>'.$langs->trans("Day");
@@ -1807,11 +1810,11 @@ else
                 print '<tr><td class="titlefield">'.$langs->trans("Duration").'</td><td colspan="2">'.$object->duration_value.'&nbsp;';
                 if ($object->duration_value > 1)
                 {
-                    $dur=array("h"=>$langs->trans("Hours"),"d"=>$langs->trans("Days"),"w"=>$langs->trans("Weeks"),"m"=>$langs->trans("Months"),"y"=>$langs->trans("Years"));
+                    $dur=array("i"=>$langs->trans("Minute"),"h"=>$langs->trans("Hours"),"d"=>$langs->trans("Days"),"w"=>$langs->trans("Weeks"),"m"=>$langs->trans("Months"),"y"=>$langs->trans("Years"));
                 }
                 else if ($object->duration_value > 0)
                 {
-                    $dur=array("h"=>$langs->trans("Hour"),"d"=>$langs->trans("Day"),"w"=>$langs->trans("Week"),"m"=>$langs->trans("Month"),"y"=>$langs->trans("Year"));
+                    $dur=array("i"=>$langs->trans("Minute"),"h"=>$langs->trans("Hour"),"d"=>$langs->trans("Day"),"w"=>$langs->trans("Week"),"m"=>$langs->trans("Month"),"y"=>$langs->trans("Year"));
                 }
                 print (! empty($object->duration_unit) && isset($dur[$object->duration_unit]) ? $langs->trans($dur[$object->duration_unit]) : '')."&nbsp;";