diff --git a/check_process b/check_process
index 03b75a3..9ec9afe 100644
--- a/check_process
+++ b/check_process
@@ -1,6 +1,7 @@
 ;; Test complet
 	; Manifest
 		domain="domain.tld"
+		synapse_domain="synapse.domain.tld"
 		path="/path"
 		admin="john"
 		is_public=1
diff --git a/conf/.env b/conf/.env
index 8c774b2..3be4fc3 100644
--- a/conf/.env
+++ b/conf/.env
@@ -2,7 +2,7 @@
 # If you set this setting, the user will not be able to select
 # the server and have to use synapse-admin with this server.
 
-REACT_APP_SERVER=https://__DOMAIN__
+REACT_APP_SERVER=https://__SYNAPSE_DOMAIN__
 
 #Define the port to avoid collisions on port 3000
 PORT=__PORT__
diff --git a/manifest.json b/manifest.json
index 2e95c53..3c477ef 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Admin UI for Synapse",
         "fr": "Admin UI pour Synapse"
     },
-    "version": "0.8.3~ynh1",
+    "version": "0.8.3~ynh2",
     "url": "https://github.com/Awesome-Technologies/synapse-admin",
     "upstream": {
         "license": "Apache-2.0",
@@ -30,6 +30,16 @@
                 "name": "domain",
                 "type": "domain"
             },
+            {
+                "name": "synapse_domain",
+                "type": "domain",
+                "ask": {
+                    "en": "The domain of your Synapse server",
+                    "fr": "Le domain de votre serveur Synapse"
+                },
+                "example": "matrix.example.com",
+                "default": ""
+            },
             {
                 "name": "is_public",
                 "type": "boolean",
diff --git a/scripts/change_url b/scripts/change_url
index 9d6c716..18ec2f6 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -70,7 +70,7 @@ fi
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action=stop --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action=stop --log_path="systemd"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
diff --git a/scripts/install b/scripts/install
index c3b0557..dec0259 100644
--- a/scripts/install
+++ b/scripts/install
@@ -23,7 +23,8 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url="/"
 is_public=$YNH_APP_ARG_IS_PUBLIC
-#synapse_domain=$(yunohost app setting synapse domain)
+synapse_domain=$YNH_APP_ARG_SYNAPSE_DOMAIN
+
 app=$YNH_APP_INSTANCE_NAME
 
 #=================================================
@@ -44,6 +45,7 @@ ynh_script_progression --message="Storing installation settings..." --weight=2
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
+ynh_app_setting_set --app=$app --key=synapse_domain --value=$synapse_domain
 
 #=================================================
 # STANDARD MODIFICATIONS
@@ -84,12 +86,6 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir=$final_path
 
-#git clone --quiet https://github.com/Awesome-Technologies/synapse-admin.git -b master "$final_path"
-# Reset branch to the level of update we needed
-#pushd "$final_path"
-#	git reset --hard --quiet $version_commit
-#popd
-
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
@@ -102,13 +98,6 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=2
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# ADD A CONFIGURATION
-#=================================================
-ynh_script_progression --message="Adding a configuration file..." --weight=1
-
-ynh_add_config --template="../conf/.env" --destination="$final_path/.env"
-
 #=================================================
 # SPECIFIC SETUP
 #==============================================
diff --git a/scripts/upgrade b/scripts/upgrade
index a186602..3028825 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -20,6 +20,7 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
+synapse_domain=$(ynh_app_setting_get --app=$app --key=synapse_domain)
 
 #=================================================
 # CHECK VERSION
@@ -46,6 +47,10 @@ ynh_abort_if_errors
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 
+if ynh_compare_current_package_version --comparison le --version 0.8.3~ynh2
+then
+	ynh_die --message="Upgrade from version 0.8.3 is not possible. You must uninstall and reinstall Synapse-admin package manually"
+fi
 # Cleaning legacy permissions
 if ynh_legacy_permissions_exists; then
 	ynh_legacy_permissions_delete_all
@@ -78,14 +83,7 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=160
 
-	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/.env"
-
-	#pushd "$final_path"
-	#	git fetch --quiet
-	#    git checkout master --quiet
-	#    git pull --quiet
-	#    git reset --hard $version_commit --quiet
-    #popd
+	ynh_setup_source --dest_dir="$final_path"
 fi
 
 chmod 750 "$final_path"