diff --git a/htdocs/install/mysql/migration/20.0.0-21.0.0.sql b/htdocs/install/mysql/migration/20.0.0-21.0.0.sql
index 07159bd1847..92b76a59733 100644
--- a/htdocs/install/mysql/migration/20.0.0-21.0.0.sql
+++ b/htdocs/install/mysql/migration/20.0.0-21.0.0.sql
@@ -148,3 +148,36 @@ ALTER TABLE llx_societe MODIFY COLUMN code_compta varchar(32);
 ALTER TABLE llx_societe MODIFY COLUMN code_compta_fournisseur varchar(32);
 ALTER TABLE llx_societe_perentity MODIFY COLUMN accountancy_code_customer varchar(32);
 ALTER TABLE llx_societe_perentity MODIFY COLUMN accountancy_code_supplier varchar(32);
+
+
+
+-- Copy categories from llx_category_bank into llx_categorie
+
+INSERT INTO llx_categorie (entity, fk_parent, label, type, description, color, position, visible, date_creation)
+SELECT
+  llx_category_bank.entity,
+  0 AS fk_parent,
+  llx_category_bank.label,
+  8 AS type,
+  '' AS description,
+  '' AS color,
+  0 AS position,
+  1 AS visible,
+  NOW() AS date_creation
+FROM llx_category_bank
+LEFT JOIN llx_categorie
+  ON llx_category_bank.label = llx_categorie.label
+  AND llx_category_bank.entity = llx_categorie.entity
+  AND llx_categorie.type = 8
+WHERE llx_categorie.rowid IS NULL;
+
+-- Update llx_category_bankline with the new rowid from llx_categorie
+UPDATE llx_category_bankline AS bl
+INNER JOIN llx_category_bank AS b
+  ON bl.fk_categ = b.rowid
+INNER JOIN llx_categorie AS c
+  ON b.label = c.label
+  AND b.entity = c.entity
+  AND c.type = 8
+SET bl.fk_categ = c.rowid
+WHERE c.rowid IS NOT NULL;
diff --git a/htdocs/install/mysql/tables/llx_category_bank.sql b/htdocs/install/mysql/tables/llx_category_bank.sql
index b97764a7745..10ed331b069 100644
--- a/htdocs/install/mysql/tables/llx_category_bank.sql
+++ b/htdocs/install/mysql/tables/llx_category_bank.sql
@@ -17,6 +17,8 @@
 --
 -- ===================================================================
 
+-- TODO : Remove this file, content of this table has been moved into llx_categories table
+
 create table llx_category_bank
 (
   rowid           integer AUTO_INCREMENT PRIMARY KEY,