diff --git a/htdocs/societe/class/companybankaccount.class.php b/htdocs/societe/class/companybankaccount.class.php
index 35d03387fec..3924e8a9174 100644
--- a/htdocs/societe/class/companybankaccount.class.php
+++ b/htdocs/societe/class/companybankaccount.class.php
@@ -206,7 +206,7 @@ class CompanyBankAccount extends Account
      *	@param	User	$user	User deleting
      *  @return int         	<0 if KO, >0 if OK
      */
-    function delete($user)
+    function delete($user='')
     {
         global $conf;