diff --git a/check_process b/check_process
index 2e09be7..b2a42af 100644
--- a/check_process
+++ b/check_process
@@ -1,7 +1,7 @@
 ;; Default test serie
 	; pre-install
 		sudo yunohost tools update
-		sudo yunohost app list | grep synapse ||  sudo yunohost app install https://github.com/YunoHost-Apps/synapse_ynh/ -a "domain=$domain&server_name=$server_name&is_public=$is_public&jitsi_server=$jitsi_server" --force
+		sudo yunohost app install https://github.com/YunoHost-Apps/synapse_ynh/ -a "domain=$domain&server_name=$server_name&is_free_registration=$is_free_registration&jitsi_server=$jitsi_server" --force
 	; Manifest
 		port="29317"
 		synapsenumber="1"