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 833e1a3b546..c47f3cd6d92 100644
--- a/mysql/migration/1.1.0-1.2.0-RC1.sql
+++ b/mysql/migration/1.1.0-1.2.0-RC1.sql
@@ -5,6 +5,8 @@
 -- sans AUCUNE erreur ni warning
 -- ;
 
+alter table llx_facture add  increment           varchar(10);
+
 delete from llx_const where name like '%_OUTPUT_URL';
 delete from llx_const where name like 'MAIN_START_YEAR';