diff --git a/mysql/tables/llx_paiement_facture.sql b/mysql/tables/llx_paiement_facture.sql
index d007e77d299..475046d3162 100644
--- a/mysql/tables/llx_paiement_facture.sql
+++ b/mysql/tables/llx_paiement_facture.sql
@@ -24,6 +24,7 @@ create table llx_paiement_facture
   rowid           integer AUTO_INCREMENT PRIMARY KEY,
   fk_paiement     integer,
   fk_facture      integer,
+  amount          real default 0,
   
   unique key (fk_paiement,fk_facture)
 )type=innodb;