diff --git a/mysql/tables/llx_c_forme_juridique.sql b/mysql/tables/llx_c_forme_juridique.sql
index f2d2cbd7f01..b3f686816e1 100644
--- a/mysql/tables/llx_c_forme_juridique.sql
+++ b/mysql/tables/llx_c_forme_juridique.sql
@@ -22,7 +22,8 @@
 
 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