diff --git a/mysql/migration/1.1.0-1.2.0-RC1.sql b/mysql/migration/1.1.0-1.2.0-RC1.sql
index 0b563e8edcf..d6f51bffc90 100644
--- a/mysql/migration/1.1.0-1.2.0-RC1.sql
+++ b/mysql/migration/1.1.0-1.2.0-RC1.sql
@@ -79,6 +79,7 @@ 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)
 );