diff --git a/htdocs/install/mysql/migration/8.0.0-9.0.0.sql b/htdocs/install/mysql/migration/8.0.0-9.0.0.sql
index 40660508ad6..a7efecbdc5f 100644
--- a/htdocs/install/mysql/migration/8.0.0-9.0.0.sql
+++ b/htdocs/install/mysql/migration/8.0.0-9.0.0.sql
@@ -72,10 +72,10 @@ insert into llx_c_action_trigger (code,label,description,elementtype,rang) value
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('HOLIDAY_VALIDATE','Expense report validated','Executed when an expense report is validated','expensereport',202);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('HOLIDAY_APPROVE','Expense report approved','Executed when an expense report is approved','expensereport',203);
 
-ALTER TABLE llx_payment_salary ADD COLUMN ref varchar(30) NULL;
+ALTER TABLE llx_payment_salary ADD COLUMN ref varchar(30) NULL after rowid;
 ALTER TABLE llx_payment_salary ADD COLUMN fk_projet integer DEFAULT NULL after amount;
 
-ALTER TABLE llx_payment_various ADD COLUMN ref varchar(30) NULL;
+ALTER TABLE llx_payment_various ADD COLUMN ref varchar(30) NULL after rowid;
 
 ALTER TABLE llx_categorie ADD COLUMN ref_ext varchar(255);