diff --git a/htdocs/install/mysql/migration/5.0.0-6.0.0.sql b/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
index 721e35505bb..0a32242738e 100644
--- a/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
+++ b/htdocs/install/mysql/migration/5.0.0-6.0.0.sql
@@ -28,6 +28,7 @@
 ALTER TABLE llx_supplier_proposaldet CHANGE COLUMN fk_askpricesupplier fk_supplier_proposal integer NOT NULL;
 
 -- VMYSQL4.1 SET sql_mode = 'ALLOW_INVALID_DATES';
+-- -- VMYSQL4.1 ALTER TABLE llx_adherent MODIFY COLUMN datefin datetime DEFAULT '2001-01-01 00:00:00';
 -- VMYSQL4.1 update llx_adherent set datefin = NULL where DATE(STR_TO_DATE(datefin, '%Y-%m-%d')) IS NULL;
 -- VMYSQL4.1 SET sql_mode = 'NO_ZERO_DATE';
 -- VMYSQL4.1 update llx_adherent set datefin = NULL where DATE(STR_TO_DATE(datefin, '%Y-%m-%d')) IS NULL;