diff --git a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
index aa88ff56597..e5c24156965 100644
--- a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
+++ b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
@@ -511,6 +511,18 @@ INSERT INTO llx_c_action_trigger (code,label,description,elementtype,rang) value
 -- VMYSQL4.3 ALTER TABLE llx_user MODIFY COLUMN fk_soc integer NULL;
 -- VPGSQL8.2 ALTER TABLE llx_user ALTER COLUMN fk_soc DROP NOT NULL;
 
+CREATE TABLE llx_element_tag
+(
+    rowid integer AUTO_INCREMENT PRIMARY KEY,
+    fk_categorie  integer NOT NULL,
+    fk_element  integer NOT NULL,
+    import_key    varchar(14)
+)ENGINE=innodb;
+
+ALTER TABLE llx_element_tag ADD UNIQUE INDEX idx_element_tag_uk (fk_categorie, fk_element);
+
+ALTER TABLE llx_element_tag ADD CONSTRAINT fk_element_tag_categorie_rowid FOREIGN KEY (fk_categorie) REFERENCES llx_categorie (rowid);
+
 -- Add column to help to fix a very critical bug when transferring into accounting bank record of a bank account into another currency.
 -- Idea is to update this column manually in v15 with value in currency of company for bank that are not into the main currency and the transfer
 -- into accounting will use it in priority if value is not null. The script repair.sql contains the sequence to fix datas in llx_bank.