diff --git a/mysql/tables/llx_c_accountingsystem.sql b/mysql/tables/llx_c_accountingsystem.sql
index 97a6f928cb3..dbb7b3d1fdb 100644
--- a/mysql/tables/llx_c_accountingsystem.sql
+++ b/mysql/tables/llx_c_accountingsystem.sql
@@ -28,5 +28,6 @@ create table llx_c_accountingsystem
   pcg_type        varchar(20)  NOT NULL,
   pcg_subtype     varchar(20)  NOT NULL,
   label           varchar(128) NOT NULL,
-  account_number  varchar(20)  NOT NULL
+  account_number  varchar(20)  NOT NULL,
+  account_parent  varchar(20)
 )type=innodb;