diff --git a/mysql/migration/1.1.0-1.2.0-RC1.sql b/mysql/migration/1.1.0-1.2.0-RC1.sql
index f7ca486508c..253df10e4c8 100644
--- a/mysql/migration/1.1.0-1.2.0-RC1.sql
+++ b/mysql/migration/1.1.0-1.2.0-RC1.sql
@@ -93,7 +93,8 @@ insert into llx_const(name, value, type, note) values ('MAIN_UPLOAD_DOC','1','ch
 
 create table llx_c_forme_juridique
 (
-  code       integer PRIMARY KEY,
+  rowid      integer AUTO_INCREMENT PRIMARY KEY,
+  code       integer UNIQUE,
   libelle    varchar(255),
   active     tinyint default 1