diff --git a/README.md b/README.md
index 273261f..7982669 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@ NetData for YunoHost
 ---------------------
 
 [![Integration level](https://dash.yunohost.org/integration/netdata.svg)](https://ci-apps.yunohost.org/jenkins/job/netdata%20%28Community%29/lastBuild/consoleFull) ![](https://ci-apps.yunohost.org/ci/badges/netdata.status.svg) ![](https://ci-apps.yunohost.org/ci/badges/netdata.maintain.svg)  
-[![Install NetData with YunoHost](https://install-app.yunohost.org/install-with-yunohost.png)](https://install-app.yunohost.org/?app=netdata)
+[![Install NetData with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=netdata)
 
 [NetData](http://my-netdata.io/) is a system for **distributed real-time performance and health monitoring**.
 It provides **unparalleled insights, in real-time**, of everything happening on the
diff --git a/check_process b/check_process
index 5245d0d..e254c88 100644
--- a/check_process
+++ b/check_process
@@ -18,8 +18,6 @@
 		wrong_user=0
 		wrong_path=1
 		change_url=1
-;;; Levels
-	Level 5=auto
 # https://github.com/YunoHost-Apps/netdata_ynh/issues/4
 ;;; Options
 Email=
diff --git a/manifest.json b/manifest.json
index bbab061..55ef4d8 100644
--- a/manifest.json
+++ b/manifest.json
@@ -15,7 +15,7 @@
         "url": ""
     },
     "requirements": {
-    "yunohost": ">= 3.7.0"
+    "yunohost": ">= 3.8.1"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/backup b/scripts/backup
index 72071b5..823f78a 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -34,46 +34,20 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 #=================================================
 # STANDARD BACKUP STEPS
 #=================================================
-
 ynh_print_info --message="Declaring files to be backed up..."
 
-# N.B.: the following 'ynh_backup' calls are only a *declaration* of what needs
-# to be backuped and not an actual copy of any file. The actual backup that
-# creates and fill the archive with the files happens in the core after this
-# script is called. Hence ynh_backups calls takes basically 0 seconds to run
-
-#=================================================
-# STOP SYSTEMD SERVICE
-#=================================================
-ynh_print_info --message="Stopping a systemd service..."
-
-ynh_systemd_action --service_name=$app --action="stop" --log_path="$final_path/var/log/$app/error.log"
-
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================
-ynh_print_info --message="Backing up Netdata configuration directory..."
 
 ynh_backup --src_path="$final_path/etc/netdata"
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
 #=================================================
-ynh_print_info --message="Backing up nginx web server configuration..."
 
 ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
-#=================================================
-# SPECIFIC BACKUP
-#=================================================
-
-#=================================================
-# START SYSTEMD SERVICE
-#=================================================
-ynh_print_info --message="Starting a systemd service..."
-
-ynh_systemd_action --service_name=$app --action="start" --log_path="$final_path/var/log/$app/error.log"
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/install b/scripts/install
index 05b7b39..7d7bd66 100644
--- a/scripts/install
+++ b/scripts/install
@@ -118,7 +118,7 @@ configure_netdata
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
 
-yunohost service add $app --description "Real-time performance and health monitoring for systems and applications" --log "$final_path/var/log/netdata/error.log" "$final_path/var/log/netdata/access.log" "$final_path/var/log/netdata/debug.log"
+yunohost service add $app --description="Real-time performance and health monitoring for systems and applications" --log="$final_path/var/log/netdata/error.log" "$final_path/var/log/netdata/access.log" "$final_path/var/log/netdata/debug.log"
 
 #=================================================
 # START SYSTEMD SERVICE
@@ -128,7 +128,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=2
 # Start a systemd service
 ynh_systemd_action --service_name=$app --action="restart" --log_path="$final_path/var/log/$app/error.log"
 
-
 #=================================================
 # SETUP SSOWAT
 #=================================================
@@ -144,7 +143,6 @@ fi
 # Add direct access in the portal to admin only
 ynh_permission_update --permission "main" --add "$admin"
 
-
 #=================================================
 # RELOAD NGINX
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index a53d16f..2deb609 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -71,7 +71,7 @@ ynh_install_app_dependencies $pkg_dependencies
 # INSTALL AND RESTORE THE APP CONFIGURATION
 #=================================================
 
-ynh_script_progression --message="Reinstalling Netdata..." --weight=30
+ynh_script_progression --message="Reinstalling Netdata..." --weight=18
 
 # Download, check integrity, uncompress and patch the source from app.src
 NETDATA_TMPDIR=$(mktemp -d)
@@ -87,7 +87,7 @@ configure_netdata
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
 
-yunohost service add $app --description "Real-time performance and health monitoring for systems and applications" --log "$final_path/var/log/netdata/error.log" "$final_path/var/log/netdata/access.log" "$final_path/var/log/netdata/debug.log"
+yunohost service add $app --description="Real-time performance and health monitoring for systems and applications" --log="$final_path/var/log/netdata/error.log" "$final_path/var/log/netdata/access.log" "$final_path/var/log/netdata/debug.log"
 
 #=================================================
 # START SYSTEMD SERVICE
diff --git a/scripts/upgrade b/scripts/upgrade
index ae68f11..0153b4e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -79,7 +79,7 @@ ynh_abort_if_errors
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading source files..." --weight=180
+	ynh_script_progression --message="Upgrading source files..." --weight=18
 
   #=================================================
   # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -152,6 +152,12 @@ if [[ $is_public -eq 1 ]]; then
 	ynh_permission_update --permission "main" --add "visitors"
 fi
 
+#=================================================
+# INTEGRATE SERVICE IN YUNOHOST
+#=================================================
+
+yunohost service add $app --description="Real-time performance and health monitoring for systems and applications" --log="$final_path/var/log/netdata/error.log" "$final_path/var/log/netdata/access.log" "$final_path/var/log/netdata/debug.log"
+
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================