diff --git a/htdocs/install/mysql/migration/10.0.0-11.0.0.sql b/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
index fd529105822..d5d46aea152 100644
--- a/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
+++ b/htdocs/install/mysql/migration/10.0.0-11.0.0.sql
@@ -146,6 +146,10 @@ ALTER TABLE llx_stock_mouvement ADD COLUMN fk_projet INTEGER NOT NULL DEFAULT 0
 
 ALTER TABLE llx_oauth_token ADD COLUMN fk_soc integer DEFAULT NULL after token;
 
+
+ALTER TABLE llx_adherent_type ADD COLUMN duration varchar(6) DEFAULT NULL after morphy;
+
+
 ALTER TABLE llx_mailing ADD COLUMN tms timestamp;
 ALTER TABLE llx_mailing_cibles ADD COLUMN tms timestamp;
 
@@ -247,6 +251,7 @@ INSERT INTO llx_c_hrm_public_holiday (code, entity, fk_country, dayrule, year, m
 INSERT INTO llx_c_hrm_public_holiday (code, entity, fk_country, dayrule, year, month, day, active) VALUES('IN-REPUBLICDAY',  0, 117, '', 0,  1, 26, 1);
 INSERT INTO llx_c_hrm_public_holiday (code, entity, fk_country, dayrule, year, month, day, active) VALUES('IN-GANDI',        0, 117, '', 0, 10,  2, 1);
 
+
 ALTER TABLE llx_product ADD COLUMN net_measure         float;
 ALTER TABLE llx_product ADD COLUMN net_measure_units     tinyint;
 
@@ -425,4 +430,4 @@ insert into llx_c_action_trigger (code,label,description,elementtype,rang) value
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('MO_PRODUCED','MO disabled','Executed when a MO is produced','bom',411);
 insert into llx_c_action_trigger (code,label,description,elementtype,rang) values ('MO_DELETE','MO deleted','Executed when a MO is deleted','bom',412);
 
-ALTER TABLE llx_comment ADD COLUMN fk_user_modif  integer DEFAULT NULL;
\ No newline at end of file
+ALTER TABLE llx_comment ADD COLUMN fk_user_modif  integer DEFAULT NULL;
diff --git a/htdocs/install/mysql/tables/llx_adherent_type.sql b/htdocs/install/mysql/tables/llx_adherent_type.sql
index 5a2dee3b12b..1de63a52c1f 100644
--- a/htdocs/install/mysql/tables/llx_adherent_type.sql
+++ b/htdocs/install/mysql/tables/llx_adherent_type.sql
@@ -30,6 +30,7 @@ create table llx_adherent_type
   statut           smallint NOT NULL DEFAULT 0,
   libelle          varchar(50) NOT NULL,
   morphy           varchar(3) NOT NULL,
+  duration         varchar(6) NOT NULL DEFAULT NULL,
   subscription     varchar(3) NOT NULL DEFAULT 'yes',
   vote             varchar(3) NOT NULL DEFAULT 'yes',
   note             text,