diff --git a/htdocs/install/mysql/migration/3.3.0-3.4.0.sql b/htdocs/install/mysql/migration/3.3.0-3.4.0.sql
index 0943c5aca11daa312d027945a8e99000bc414f9d..4827eafb60b83dbd38af1eaf36c49222ee26b5f5 100755
--- a/htdocs/install/mysql/migration/3.3.0-3.4.0.sql
+++ b/htdocs/install/mysql/migration/3.3.0-3.4.0.sql
@@ -15,3 +15,11 @@
 -- -- VPGSQL8.2 DELETE FROM llx_usergroup_user      WHERE fk_user      NOT IN (SELECT rowid from llx_user);
 -- -- VMYSQL4.1 DELETE FROM llx_usergroup_user      WHERE fk_usergroup NOT IN (SELECT rowid from llx_usergroup);
 
+create table llx_adherent_type_extrafields
+(
+  rowid                     integer AUTO_INCREMENT PRIMARY KEY,
+  tms                       timestamp,
+  fk_object                 integer NOT NULL,
+  import_key                varchar(14)                          		-- import key
+) ENGINE=innodb;
+ALTER TABLE llx_adherent_type_extrafields ADD INDEX idx_adherent_type_extrafields (fk_object);