diff --git a/mysql/tables/llx_const.sql b/mysql/tables/llx_const.sql
index f5a7361c256..e43d3378937 100644
--- a/mysql/tables/llx_const.sql
+++ b/mysql/tables/llx_const.sql
@@ -30,6 +30,7 @@ create table llx_const
   name        varchar(255),
   value       text, -- max 65535 caracteres
   type        enum('yesno','texte','chaine'),
+  visible     tinyint DEFAULT 1 NOT NULL,
   note        text,
 
   UNIQUE INDEX(name)