diff --git a/htdocs/install/mysql/migration/3.9.0-4.0.0.sql b/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
index eebeace0b8c..298ffda51cf 100644
--- a/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
+++ b/htdocs/install/mysql/migration/3.9.0-4.0.0.sql
@@ -349,3 +349,7 @@ ALTER TABLE llx_accounting_account MODIFY COLUMN account_parent integer;
 DROP INDEX uk_bordereau_cheque ON llx_bordereau_cheque;
 ALTER TABLE llx_bordereau_cheque CHANGE number ref VARCHAR(30) NOT NULL;
 CREATE UNIQUE INDEX uk_bordereau_cheque ON llx_bordereau_cheque (ref, entity);
+
+
+ALTER TABLE llx_societe_rib ADD COLUMN date_rum	date after rum;
+
diff --git a/htdocs/install/mysql/tables/llx_societe_rib.sql b/htdocs/install/mysql/tables/llx_societe_rib.sql
index e8f995130d4..88b670f37dc 100644
--- a/htdocs/install/mysql/tables/llx_societe_rib.sql
+++ b/htdocs/install/mysql/tables/llx_societe_rib.sql
@@ -39,7 +39,8 @@ create table llx_societe_rib
   default_rib    smallint NOT NULL DEFAULT 0,
   
   rum            varchar(32),	 				-- RUM value to use for SEPA generation
-  frstrecur      varchar(16) default 'FRST',  -- 'FRST' or 'RECUR'
+  date_rum		 date,							-- Date of mandate
+  frstrecur      varchar(16) default 'FRST',    -- 'FRST' or 'RECUR'
 
   import_key     varchar(14)    -- import key
 )ENGINE=innodb;