diff --git a/scripts/install b/scripts/install
index 90ca25e..ed872f0 100644
--- a/scripts/install
+++ b/scripts/install
@@ -134,6 +134,8 @@ registrations_require_3pid="false"
 allowed_local_3pids_email=""
 allowed_local_3pids_msisdn=""
 allow_guest_access="false"
+allow_guest_access="false"
+account_threepid_delegates_msisdn="#email: "
 default_identity_server="https://matrix.org"
 auto_join_rooms="#auto_join_room:""$server_name"
 autocreate_auto_join_rooms="false"
@@ -156,6 +158,7 @@ ynh_app_setting_set --app=$app --key=disable_msisdn_registration --value=$disabl
 ynh_app_setting_set --app=$app --key=registrations_require_3pid --value=$registrations_require_3pid
 ynh_app_setting_set --app=$app --key=allowed_local_3pids_email --value=$allowed_local_3pids_email
 ynh_app_setting_set --app=$app --key=allowed_local_3pids_msisdn --value=$allowed_local_3pids_msisdn
+ynh_app_setting_set --app=$app --key=account_threepid_delegates_msisdn --value=$account_threepid_delegates_msisdn
 ynh_app_setting_set --app=$app --key=allow_guest_access --value=$allow_guest_access
 ynh_app_setting_set --app=$app --key=default_identity_server --value=$default_identity_server
 ynh_app_setting_set --app=$app --key=auto_join_rooms --value=$auto_join_rooms