diff --git a/debconf b/debconf
index dfd97ba..3f20d02 100644
--- a/debconf
+++ b/debconf
@@ -1,7 +1,7 @@
 postfix postfix/main_mailer_type        select  Internet Site
 postfix postfix/mailname string /etc/mailname
-mysql-server-5.1 mysql-server/root_password password 
-mysql-server-5.1 mysql-server/root_password_again password 
+mysql-server-5.1 mysql-server/root_password password yunohost
+mysql-server-5.1 mysql-server/root_password_again password yunohost
 samba-common samba-common/workgroup string WORKGROUP
 samba-common samba-common/workgroup boolean true
 nslcd	nslcd/ldap-bindpw	password	
@@ -12,5 +12,3 @@ nslcd	nslcd/ldap-binddn	string
 nslcd	nslcd/ldap-base	string	dc=yunohost,dc=org
 proftpd-basic   shared/proftpd/inetd_or_standalone      select standalone
 libnss-ldapd    libnss-ldapd/nsswitch multiselect group, passwd, shadow
-mysql-server-5.1 mysql-server/root_password password seen false
-mysql-server-5.1 mysql-server/root_password_again password seen false
diff --git a/install_yunohost b/install_yunohost
index bb8096d..066f7f0 100755
--- a/install_yunohost
+++ b/install_yunohost
@@ -57,6 +57,7 @@ then
         	echo "Install yunohost Failure"
         	exit 1
 	else
+		mysqladmin -u root -pyunohost password ''
 		service slapd restart
 		service apache2 restart
 		service dovecot restart