diff --git a/mysql/migration/2.1.0-2.2.0.sql b/mysql/migration/2.1.0-2.2.0.sql
index 0556e99dc5329391d2a6bb23f9f98a38279ce757..0644de7103f011c8bebbcc6fbe936e224be714cc 100644
--- a/mysql/migration/2.1.0-2.2.0.sql
+++ b/mysql/migration/2.1.0-2.2.0.sql
@@ -34,7 +34,7 @@ update llx_actioncomm set fk_action = 9 where fk_action = 10;
 ALTER TABLE llx_cotisation ADD COLUMN datef date after dateadh;
 ALTER TABLE llx_cotisation modify datef date;
 ALTER TABLE llx_cotisation ADD UNIQUE INDEX uk_cotisation (fk_adherent,dateadh);
-update llx_cotisation set datef = ADDDATE(ADDDATE(dateadh, INTERVAL 1 YEAR),INTERVAL -1 DAY);
+-- V4.1 update llx_cotisation set datef = ADDDATE(ADDDATE(dateadh, INTERVAL 1 YEAR),INTERVAL -1 DAY);
 
 update llx_const set name='MAIN_ENABLE_DEVELOPMENT' where name='MAIN_SHOW_DEVELOPMENT_MODULES';
 delete from llx_const where name='MAIN_SHOW_DEVELOPMENT_MODULES';