diff --git a/htdocs/compta/prelevement/fiche-stat.php b/htdocs/compta/prelevement/fiche-stat.php
index c2316578130..25ae7c52c50 100644
--- a/htdocs/compta/prelevement/fiche-stat.php
+++ b/htdocs/compta/prelevement/fiche-stat.php
@@ -141,7 +141,7 @@ if ($prev_id)
 			print price($row[0]);
 
 			print '</td><td align="right">';
-			print round($row[0]/$bon->amount*100,2)." %";
+			if ($bon->amount) print round($row[0]/$bon->amount*100,2)." %";
 			print '</td>';
 
 			print "</tr>\n";
diff --git a/htdocs/product/admin/product.php b/htdocs/product/admin/product.php
index 5488b4dab1f..8a561c0e53e 100644
--- a/htdocs/product/admin/product.php
+++ b/htdocs/product/admin/product.php
@@ -7,6 +7,7 @@
  * Copyright (C) 2011-2012 Juanjo Menent        <jmenent@2byte.es>
  * Copyright (C) 2012      Christophe Battarel   <christophe.battarel@altairis.fr>
  * Copyright (C) 2012      Cedric Salvador      <csalvador@gpcsolutions.fr>
+ * Copyright (C) 2016	   Ferran Marcet		<fmarcet@2byte.es>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -109,7 +110,7 @@ if ($action == 'setModuleOptions')
 	}
 }
 
-if ($action == 'other' && GETPOST('value_PRODUIT_LIMIT_SIZE') > 0)
+if ($action == 'other' && GETPOST('value_PRODUIT_LIMIT_SIZE') >= 0)
 {
 	$res = dolibarr_set_const($db, "PRODUIT_LIMIT_SIZE", GETPOST('value_PRODUIT_LIMIT_SIZE'),'chaine',0,'',$conf->entity);
 }