diff --git a/htdocs/paypal/transaction.php b/htdocs/paypal/transaction.php
index f6b5a0b84ac..b30863f07cf 100644
--- a/htdocs/paypal/transaction.php
+++ b/htdocs/paypal/transaction.php
@@ -62,7 +62,7 @@ if(isset($startDateStr) && ! empty($startDateStr)) {
 	$start_date_str = $startDateStr;
 	$start_time 	= dol_stringtotime($start_date_str);
 } else {
-	$start_time 	= dol_now()-86400;
+	$start_time 	= dol_now()-2592000; // 30 days
 	$start_date_str = dol_print_date($start_time,'day');
 }