diff --git a/README.md b/README.md
index 342d64e..29099b7 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 
 The news reader that doesn't know you
 
-**Shipped version:** 1.4.3~ynh2
+**Shipped version:** 1.4.9~ynh1
 
 **Demo:** https://petrolette.space
 
diff --git a/README_fr.md b/README_fr.md
index 4a8d62f..5707136 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -13,7 +13,7 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 
 La page d'actu qui ne sait rien de toi
 
-**Version incluse :** 1.4.3~ynh2
+**Version incluse :** 1.4.9~ynh1
 
 **Démo :** https://petrolette.space
 
diff --git a/conf/app.src b/conf/app.src
index c4b966c..2c42577 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://framagit.org/yphil/petrolette/-/archive/v1.4.3/petrolette-v1.4.3.tar.gz
-SOURCE_SUM=3a9d48a0e613cfe93def93dbf18a9d8a122245635b3b45dbd7d146c271af67f0
+SOURCE_URL=https://framagit.org/yphil/petrolette/-/archive/v1.4.9/petrolette-v1.4.9.tar.gz
+SOURCE_SUM=d738bdbd50748c4658cfb1a1fe36c12b58c75d96b2d29accc386a49b44f7178c
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/manifest.json b/manifest.json
index 8397992..a6e2ee3 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "The news reader that doesn't know you",
         "fr": "La page d'actu qui ne sait rien de toi"
     },
-    "version": "1.4.3~ynh2",
+    "version": "1.4.9~ynh1",
     "url": "https://framagit.org/yphil/petrolette",
     "upstream": {
         "license": "AGPL-3.0-only",
diff --git a/scripts/backup b/scripts/backup
index 0aa3035..dbda78a 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -40,7 +40,7 @@ ynh_print_info --message="Declaring files to be backed up..."
 # BACKUP THE APP MAIN DIR
 #=================================================
 
-ynh_backup --src_path="$final_path" --is_big
+ynh_backup --src_path="$final_path"
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
diff --git a/scripts/install b/scripts/install
index 1ed00b7..6bcee3e 100644
--- a/scripts/install
+++ b/scripts/install
@@ -13,6 +13,9 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
+ynh_clean_setup () {
+	ynh_clean_check_starting
+}
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
@@ -72,7 +75,7 @@ ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
 ynh_script_progression --message="Configuring system user..."
 
 # Create a system user
-ynh_system_user_create --username=$app --home_dir=$final_path
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -110,8 +113,9 @@ pushd $final_path
 	[[ -v TMP_HOME ]] && HOME=$TMP_HOME || unset HOME
 popd
 
-chown -R $app:$app $final_path
-chmod -R o-rwx $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
 
 #=================================================
 # SETUP SYSTEMD
@@ -128,7 +132,7 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..."
 
-yunohost service add $app --description="The news reader that doesn't know you" --log="/home/yunohost.app/${app}/storage/logs/petrolette.log"
+yunohost service add $app --description="The news reader that doesn't know you"
 
 #=================================================
 # START SYSTEMD SERVICE
@@ -136,7 +140,7 @@ yunohost service add $app --description="The news reader that doesn't know you"
 ynh_script_progression --message="Starting a systemd service..."
 
 # Start a systemd service
-ynh_systemd_action --service_name=$app --action=start --log_path=systemd 
+ynh_systemd_action --service_name=$app --action=start --log_path=systemd --line_match="Directory created"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/remove b/scripts/remove
index 1c56593..83250d7 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -59,6 +59,7 @@ ynh_remove_nginx_config
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
+ynh_script_progression --message="Removing dependencies..."
 
 ynh_remove_nodejs
 
diff --git a/scripts/restore b/scripts/restore
index 801fc33..6b21022 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -15,7 +15,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
-	true
+	ynh_clean_check_starting
 }
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
@@ -56,7 +56,18 @@ ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
 
 # Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir=$final_path
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
+#=================================================
+# RESTORE THE APP MAIN DIR
+#=================================================
+ynh_script_progression --message="Restoring the app main directory..."
+
+ynh_restore_file --origin_path="$final_path"
+
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -67,28 +78,6 @@ ynh_script_progression --message="Reinstalling dependencies..." --weight=1
 
 ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
 
-#=================================================
-# REINSTALL PETROLLETTE
-#=================================================
-ynh_script_progression --message="Reinstalling the app ..." --weight=5
-
-ynh_setup_source --dest_dir="$final_path"
-
-pushd $final_path
-# set port in configuration file
-        sed -i "/HTTP_PORT/s/[0-9]*[0-9]/$port/" package.json
-        sed -i "/HTTPS_PORT/s/[0-9]*[0-9]/$https_port/" package.json
-	[[ -v TMP_HOME ]] && TMP_HOME=$HOME
-        HOME=$(pwd)
-        ynh_use_nodejs
-        ynh_npm install
-	[[ -v TMP_HOME ]] && HOME=$TMP_HOME || unset HOME
-popd
-
-# Restore permissions on app files
-chown -R $app:$app $final_path
-chmod -R o-rwx $final_path
-
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
@@ -102,14 +91,14 @@ systemctl enable $app.service --quiet
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="The news reader that doesn't know you" --log="/home/yunohost.app/${app}/storage/logs/petrolette.log"
+yunohost service add $app --description="The news reader that doesn't know you"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=3
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="Directory created"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index ad18d88..8a1b732 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -37,6 +37,7 @@ ynh_script_progression --message="Backing up the app before upgrading (may take
 # Backup the current version of the app
 ynh_backup_before_upgrade
 ynh_clean_setup () {
+	ynh_clean_check_starting
 	# Restore it if the upgrade fails
 	ynh_restore_upgradebackup
 }
@@ -50,7 +51,7 @@ ynh_abort_if_errors
 #=================================================
 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 --line_match="Stopped"
 
 #=================================================
 # CREATE DEDICATED USER
@@ -58,7 +59,7 @@ ynh_systemd_action --service_name=$app --action=stop --log_path="/var/log/$app/$
 ynh_script_progression --message="Making sure dedicated system user exists..." --weight=8
 
 # Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir=$final_path
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -106,9 +107,9 @@ pushd $final_path
         [[ -v TMP_HOME ]] && HOME=$TMP_HOME || unset HOME
 popd
 
-# Set permissions on app files
-chown -R $app:$app $final_path
-chmod -R o-rwx $final_path
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:$app "$final_path"
 
 #=================================================
 # SETUP SYSTEMD
@@ -125,14 +126,14 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="The news reader that doesn't know you" --log="/home/yunohost.app/${app}/storage/logs/petrolette.log"
+yunohost service add $app --description="The news reader that doesn't know you"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=3
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="Directory created"
 
 #=================================================
 # RELOAD NGINX