diff --git a/htdocs/install/mysql/migration/2.9.0-3.0.0.sql b/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
index 29a9c4df0e6..f670993aaae 100644
--- a/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
+++ b/htdocs/install/mysql/migration/2.9.0-3.0.0.sql
@@ -10,6 +10,9 @@
 -- To change type of field: ALTER TABLE llx_table MODIFY name varchar(60);
 -- To remove a column:      ALTER TABLE llx_table DROP COLUMN colname;
 
+ALTER TABLE llx_paiement MODIFY amount double(24,8); 
+ALTER TABLE llx_paiement_facture MODIFY amount double(24,8); 
+
 -- Fix bad old data
 UPDATE llx_bank_url SET type='payment' WHERE type='?' AND label='(payment)' AND url LIKE '%compta/paiement/fiche.php%';
 
diff --git a/htdocs/install/mysql/tables/llx_paiement.sql b/htdocs/install/mysql/tables/llx_paiement.sql
index 803dc1c2148..7d728850185 100644
--- a/htdocs/install/mysql/tables/llx_paiement.sql
+++ b/htdocs/install/mysql/tables/llx_paiement.sql
@@ -29,7 +29,7 @@ create table llx_paiement
   datec            datetime,           -- date de creation
   tms              timestamp,
   datep            datetime,           -- payment date
-  amount           real DEFAULT 0,
+  amount           double(24,8) DEFAULT 0,
   fk_paiement      integer NOT NULL,
   num_paiement     varchar(50),
   note             text,
diff --git a/htdocs/install/mysql/tables/llx_paiement_facture.sql b/htdocs/install/mysql/tables/llx_paiement_facture.sql
index 0e95a561df9..f33c92ea7fe 100644
--- a/htdocs/install/mysql/tables/llx_paiement_facture.sql
+++ b/htdocs/install/mysql/tables/llx_paiement_facture.sql
@@ -23,5 +23,5 @@ create table llx_paiement_facture
   rowid           integer AUTO_INCREMENT PRIMARY KEY,
   fk_paiement     integer,
   fk_facture      integer,
-  amount          real     DEFAULT 0
+  amount          double(24,8)     DEFAULT 0
 )ENGINE=innodb;