diff --git a/manifest.json b/manifest.json
index b7e1c47..d0fd35a 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Online spreadsheet that is powerful, simple to configure, and completely open source.",
         "fr": "Feuille de calcul en ligne, puissante, simple à configurer et entièrement open source."
     },
-    "version": "2.1.13~ynh1",
+    "version": "2.1.13~ynh2",
     "url": "https://github.com/mengshukeji/Luckysheet",
     "license": "MIT",
     "maintainer": {
diff --git a/pull_request_template.md b/pull_request_template.md
index 69ce5a0..6c28fc5 100644
--- a/pull_request_template.md
+++ b/pull_request_template.md
@@ -10,3 +10,7 @@
 - [ ] Fix or enhancement tested.
 - [ ] Upgrade from last version tested.
 - [ ] Can be reviewed and tested.
+
+## Package_check results
+---
+* An automatic package_check will be launch at https://ci-apps-dev.yunohost.org/, when you add a specific comment to your Pull Request: "!testme", "!gogogadgetoci" or "By the power of systemd, I invoke The Great App CI to test this Pull Request!"*
diff --git a/scripts/install b/scripts/install
index 6a021eb..5a1adac 100644
--- a/scripts/install
+++ b/scripts/install
@@ -147,17 +147,17 @@ yunohost service add $app --description="Online spreadsheet like excel" --log="/
 ynh_script_progression --message="Starting a systemd service..." --weight=2
 
 # Start a systemd service
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Serving files from: dist"
+ynh_systemd_action --service_name=$app --action=start --log_path=systemd --line_match="Serving files from: dist"
 
 #=================================================
 # SETUP SSOWAT
 #=================================================
-ynh_script_progression --message="Configuring SSOwat..." --weight=1
+ynh_script_progression --message="Configuring permissions..." --weight=1
 
 # Make app public if necessary or protect it
 if [ $is_public -eq 1 ]
 then
-	ynh_permission_update --permission "main" --add "visitors"
+	ynh_permission_update --permission="main" --add="visitors"
 fi
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 6bc0c0f..6649250 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -102,7 +102,7 @@ yunohost service add $app --description="Online spreadsheet like excel" --log="/
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Serving files from: dist"
+ynh_systemd_action --service_name=$app --action=start --log_path=systemd --line_match="Serving files from: dist"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 8bb7200..99e4343 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -29,6 +29,18 @@ ynh_script_progression --message="Checking version..."
 
 upgrade_type=$(ynh_check_app_version_changed)
 
+#=================================================
+# ENSURE DOWNWARD COMPATIBILITY
+#=================================================
+ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
+
+# Cleaning legacy permissions
+if ynh_legacy_permissions_exists; then
+	ynh_legacy_permissions_delete_all
+
+	ynh_app_setting_delete --app=$app --key=is_public
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
@@ -50,7 +62,7 @@ ynh_abort_if_errors
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"
+ynh_systemd_action --service_name=$app --action=stop --log_path=systemd
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -141,7 +153,7 @@ yunohost service add $app --description="Online spreadsheet like excel" --log="/
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Serving files from: dist"
+ynh_systemd_action --service_name=$app --action=start --log_path=systemd --line_match="Serving files from: dist"
 
 #=================================================
 # RELOAD NGINX