diff --git a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
index 1d8c7a37b95..6c3c6e04acb 100644
--- a/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
+++ b/htdocs/install/mysql/migration/12.0.0-13.0.0.sql
@@ -546,9 +546,9 @@ CREATE TABLE llx_session(
 )ENGINE=innodb;
 
 
-
-INSERT INTO llx_boxes_def(file,entity) VALUES ('box_funnel_of_prospection.php',1);
-
-INSERT INTO llx_boxes_def(file, entity) VALUES ('box_customers_outstanding_bill_reached.php', 1);
+-- VMYSQL4.1 INSERT INTO llx_boxes_def (file, entity) SELECT  'box_funnel_of_prospection.php', 1 FROM DUAL WHERE NOT EXISTS (SELECT * FROM llx_boxes_def WHERE file = 'box_funnel_of_prospection.php' AND entity = 1);
+-- VMYSQL4.1 INSERT INTO llx_boxes_def (file, entity) SELECT  'box_customers_outstanding_bill_reached.php', 1 FROM DUAL WHERE NOT EXISTS (SELECT * FROM llx_boxes_def WHERE file = 'box_customers_outstanding_bill_reached.php' AND entity = 1);
+--INSERT INTO llx_boxes_def(file, entity) VALUES ('box_funnel_of_prospection.php',1);
+--INSERT INTO llx_boxes_def(file, entity) VALUES ('box_customers_outstanding_bill_reached.php', 1);
 
 ALTER TABLE llx_product_fournisseur_price ADD COLUMN packaging varchar(64);
\ No newline at end of file