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 e5c24156965..5621ca6fad8 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
@@ -519,6 +519,9 @@ CREATE TABLE llx_element_tag
     import_key    varchar(14)
 )ENGINE=innodb;
 
+ALTER TABLE llx_element_tag ADD COLUMN fk_categorie integer;
+ALTER TABLE llx_element_tag ADD COLUMN fk_element integer;
+
 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);