diff --git a/htdocs/install/mysql/tables/llx_categorie_ticket.key.sql b/htdocs/install/mysql/tables/llx_categorie_ticket.key.sql
new file mode 100644
index 00000000000..012b9a9eadc
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_categorie_ticket.key.sql
@@ -0,0 +1,21 @@
+-- Copyright (C) 2021 EOXIA <dev@eoxia.com>
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program.  If not, see https://www.gnu.org/licenses/.
+
+ALTER TABLE llx_categorie_ticket ADD PRIMARY KEY pk_categorie_ticket (fk_categorie, fk_ticket);
+ALTER TABLE llx_categorie_ticket ADD INDEX idx_categorie_ticket_fk_categorie (fk_categorie);
+ALTER TABLE llx_categorie_ticket ADD INDEX idx_categorie_ticket_fk_ticket (fk_ticket);
+
+ALTER TABLE llx_categorie_ticket ADD CONSTRAINT fk_categorie_ticket_categorie_rowid FOREIGN KEY (fk_categorie) REFERENCES llx_categorie (rowid);
+ALTER TABLE llx_categorie_ticket ADD CONSTRAINT fk_categorie_ticket_ticket_rowid   FOREIGN KEY (fk_ticket) REFERENCES llx_ticket (rowid);
diff --git a/htdocs/install/mysql/tables/llx_categorie_ticket.sql b/htdocs/install/mysql/tables/llx_categorie_ticket.sql
new file mode 100644
index 00000000000..16ab92522c6
--- /dev/null
+++ b/htdocs/install/mysql/tables/llx_categorie_ticket.sql
@@ -0,0 +1,21 @@
+-- Copyright (C) 2021 EOXIA <dev@eoxia.com>
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program.  If not, see https://www.gnu.org/licenses/.
+
+create table llx_categorie_ticket
+(
+  fk_categorie  integer NOT NULL,
+  fk_ticket    integer NOT NULL,
+  import_key    varchar(14)
+)ENGINE=innodb;