diff --git a/htdocs/societe/list.php b/htdocs/societe/list.php
index 8443d740d28..6be1ae5cc07 100644
--- a/htdocs/societe/list.php
+++ b/htdocs/societe/list.php
@@ -111,7 +111,7 @@ $search_vat = trim(GETPOST('search_vat', 'alpha'));
 $search_sale = "";
 if (GETPOSTISARRAY('search_sale')) {
 	$search_sale = GETPOST('search_sale', 'array:int');
-} elseif (GETPOSTISSET('search_sale')) {
+} elseif (GETPOSTISSET('search_sale') && GETPOSTINT('search_sale') > 0) {
 	$search_sale = array(GETPOSTINT('search_sale'));
 }
 $search_categ_cus = GETPOSTINT("search_categ_cus");