diff --git a/README.md b/README.md
index e3b306c..924cb84 100644
--- a/README.md
+++ b/README.md
@@ -222,3 +222,6 @@ Then you can set up multiple instances of the Borg Apps on same servers.
 For instance:
 * Borg Backup instance ``borg``: backup nextcloud daily on host Server B
 * Borg Backup instance ``borg__2``: backup all other YunoHost apps weekly on host Server C
+
+### Settings location
+Settings of apps are in /etc/yunohost/apps/*/settings.yml, so are the settings for borg_ynh as well. Be careful though to not savagely manually edit them if you don't know what you're doing.
diff --git a/conf/backup_method b/conf/backup_method
index 0b3c1ed..6094b62 100644
--- a/conf/backup_method
+++ b/conf/backup_method
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -e
+set -eo pipefail
 app="${0#"./05-"}"
 app="${app%"_app"}"
 
@@ -30,7 +30,7 @@ do_backup() {
     repo="$3"
     size="$4"
     description="$5"
-    current_date=$(date +"%d_%m_%y_%H:%M")
+    current_date=$(date +"%Y-%m-%d_%H:%M")
     pushd "$work_dir"
     set +e
     if borg init -e repokey "$repo" ; then
@@ -46,12 +46,18 @@ This is an automated message from your beloved YunoHost server." | /usr/bin/mail
     fi
     set -e
 
-    borg create "$repo::${name}_${current_date}" ./ 2>&1 >/dev/null | log_with_timestamp
+    borg create "$repo::_${name}-${current_date}" ./ 2>&1 >/dev/null | log_with_timestamp
     popd
 
     # About thi _20 it's a crazy fix to avoid pruning wordpress__2 
     # if you prune wordpress
-    borg prune "$repo" -P ${name}_20 --keep-hourly 2 --keep-daily=7 --keep-weekly=8 --keep-monthly=12 2>&1 >/dev/null | log_with_timestamp
+    borg prune "$repo" -P "_${name}-" --keep-hourly 2 --keep-daily=7 --keep-weekly=8 --keep-monthly=12 2>&1 >/dev/null | log_with_timestamp
+    
+    # Prune legacy archive name without error on wordpress/wordpress__2
+    borg prune "$repo" -P "${name}_" --keep-within 2m --keep-monthly=12 2>&1 >/dev/null | log_with_timestamp
+    
+    # We prune potential manual backup older than 1 year
+    borg prune "$repo" --keep-within 1y 2>&1 >/dev/null | log_with_timestamp
 }
 
 do_mount() {
diff --git a/manifest.json b/manifest.json
index 211c2c5..6ede00a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Backup your server on a host server using Borg.",
         "fr": "Sauvegardez votre serveur sur un serveur distant avec Borg."
     },
-    "version": "1.1.16~ynh17",
+    "version": "1.1.16~ynh19",
     "url": "https://borgbackup.readthedocs.io",
     "license": "BSD-3-Clause",
     "maintainer": {
@@ -15,7 +15,7 @@
         "url": "https://reflexlibre.net"
     },
     "requirements": {
-        "yunohost": ">= 3.8.1"
+        "yunohost": ">= 4.1.0"
     },
     "multi_instance": true,
     "services": [],
@@ -29,7 +29,7 @@
                     "fr": "Dans quel repo borg souhaitez-vous sauvegarder vos fichiers ?"
                 },
                 "help":{
-                    "en": "Specify a remote repository using this format: ssh://USER@DOMAIN.TLD:PORT/~/backup . 'USER' is *not* meant to be an existing user on the guest server. Instead, it will be created *on the host server* during the installation of the Borg Server App. It's also possible to use a local repository using a syntax such as /mount/my_external_harddrive/backups"
+                    "en": "Specify a local repository like /mount/my_external_harddrive/backups or a remote repository using this format: ssh://USER@DOMAIN.TLD:PORT/~/backup . If you plan to use borgserver_ynh app : 'USER' is *not* meant to be an existing user on the guest server, instead, it will be created *on the host server* during the installation of the Borg Server App. With borgserver_ynh apps you can't specify another repo path than ~/backup."
                 },
                 "example": "ssh://john@serverb.tld:22/~/backup"
             },
diff --git a/scripts/install b/scripts/install
index 72ad751..834f0a0 100755
--- a/scripts/install
+++ b/scripts/install
@@ -135,7 +135,8 @@ systemctl start $app.timer
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="Deduplicating backup program"
+# Inactive services are ignored cause it's a timer
+yunohost service add $app --description="Deduplicating backup program" --test_status="systemctl show $app.service  -p ActiveState --value | grep -v failed"
 
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 6a70a59..60c7658 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -75,7 +75,9 @@ systemctl enable $app.service --quiet
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="Deduplicating backup program"
+# Inactive services are ignored cause it's a timer
+yunohost service add $app --description="Deduplicating backup program" --test_status="systemctl show $app.service  -p ActiveState --value | grep -v failed"
+
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/upgrade b/scripts/upgrade
index 8e0c8a1..c7b8930 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -141,7 +141,9 @@ chmod u+w /var/log/${app}
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="Deduplicating backup program"
+# Inactive services are ignored cause it's a timer
+yunohost service add $app --description="Deduplicating backup program" --test_status="systemctl show $app.service  -p ActiveState --value | grep -v failed"
+
 
 #=================================================
 # END OF SCRIPT