diff --git a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
index 6f35a9f1c44..6a20a97d047 100644
--- a/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
+++ b/htdocs/install/mysql/migration/14.0.0-15.0.0.sql
@@ -36,7 +36,8 @@
 -- VPGSQL8.2 ALTER TABLE llx_partnership ALTER COLUMN date_partnership_end DROP NOT NULL;
 
 ALTER TABLE llx_product_fournisseur_price ADD COLUMN packaging real DEFAULT NULL;
-ALTER TABLE llx_product_fournisseur_price MODIFY COLUMN packaging real DEFAULT NULL;
+-- VMYSQL4.3 ALTER TABLE llx_product_fournisseur_price MODIFY COLUMN packaging real DEFAULT NULL;
+-- VPGSQL8.2 ALTER TABLE llx_product_fournisseur_price MODIFY COLUMN packaging real DEFAULT NULL USING packaging::real;
 
 ALTER TABLE llx_accounting_bookkeeping ADD COLUMN date_export datetime DEFAULT NULL;