diff --git a/htdocs/install/mysql/migration/2.9.0-3.0.0.sql b/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
index 70df4be62f7..45093244adb 100644
--- a/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
+++ b/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
@@ -24,7 +24,8 @@ alter table llx_product_price change column envente tosell tinyint DEFAULT 1;
  
 
 ALTER TABLE llx_boxes_def DROP INDEX uk_boxes_def;
-ALTER TABLE llx_boxes_def MODIFY note varchar(255);
+ALTER TABLE llx_boxes_def MODIFY file varchar(200) NOT NULL
+ALTER TABLE llx_boxes_def MODIFY note varchar(140);
 ALTER TABLE llx_boxes_def ADD UNIQUE INDEX uk_boxes_def (file, entity, note);
 
 ALTER TABLE llx_notify_def MODIFY fk_contact integer NULL;