diff --git a/install/mysql.sql b/install/mysql.sql
index d0f7f324..55066535 100644
--- a/install/mysql.sql
+++ b/install/mysql.sql
@@ -266,7 +266,7 @@ CREATE TABLE IF NOT EXISTS sub_domaines (
   domaine varchar(64) NOT NULL default '',
   sub varchar(100) NOT NULL default '',
   valeur varchar(255) default NULL,
-  type int(1) NOT NULL default '0',
+  type varchar(30) NOT NULL default '0',
   PRIMARY KEY  (compte,domaine,sub,type)
 ) TYPE=MyISAM;
 
@@ -280,7 +280,7 @@ CREATE TABLE IF NOT EXISTS sub_domaines_standby (
   domaine varchar(64) NOT NULL default '',
   sub varchar(100) NOT NULL default '',
   valeur varchar(255) default NULL,
-  type int(1) NOT NULL default '0',
+  type varchar(30) NOT NULL default '0',
   action int(1) NOT NULL default '0',
   PRIMARY KEY  (compte,domaine,sub,action,type)
 ) TYPE=MyISAM;
diff --git a/install/upgrades/0.9.10.sql b/install/upgrades/0.9.10.sql
index 4f3872d2..4d4f488e 100644
--- a/install/upgrades/0.9.10.sql
+++ b/install/upgrades/0.9.10.sql
@@ -42,4 +42,7 @@ CREATE TABLE IF NOT EXISTS `size_mailman` (
 ALTER TABLE `slaveip` CHANGE `ip` `ip` VARCHAR(40);
 ALTER TABLE `sessions` CHANGE `ip` `ip` VARCHAR( 40 ) NULL;
 
+--- type subdomain evolution
+ALTER TABLE `sub_domaines` CHANGE `type` `type` VARCHAR(30);
+ALTER TABLE `sub_domaines_standby` CHANGE `type` `type` VARCHAR(30);