diff --git a/manifest.json b/manifest.json
index 5cf64d8..6a521f0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,7 +6,7 @@
         "en": "Collaborative editor to work on notes written in Markdown",
         "fr": "Éditeur collaboratif pour travailler sur des notes en Markdown"
     },
-    "version": "1.7.2~ynh1",
+    "version": "1.7.2~ynh2",
     "url": "https://github.com/hedgedoc/hedgedoc",
     "license": "AGPL-3.0-only",
     "maintainer": {
diff --git a/scripts/install b/scripts/install
index adf1fc6..b855aaa 100644
--- a/scripts/install
+++ b/scripts/install
@@ -147,13 +147,15 @@ ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_fil
 
 ynh_store_file_checksum --file="$final_path/config.json"
 
-cp ../conf/.sequelizerc.example "$final_path/.sequelizerc"
+# cp ../conf/.sequelizerc.example "$final_path/.sequelizerc"
 
 # # DB Config File
-ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/.sequelizerc"
-ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/.sequelizerc"
+# ynh_replace_string --match_string="__DB_NAME__" --replace_string="$db_name" --target_file="$final_path/.sequelizerc"
+# ynh_replace_string --match_string="__DB_PWD__" --replace_string="$db_pwd" --target_file="$final_path/.sequelizerc"
 
-ynh_store_file_checksum --file="$final_path/.sequelizerc"
+# ynh_store_file_checksum --file="$final_path/.sequelizerc"
+
+ynh_add_config --template="../conf/.sequelizerc.example" --destination="$final_path/.sequelizerc"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index e5dd990..21d73d2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -31,6 +31,18 @@ ynh_script_progression --message="Checking version..." --weight=2
 
 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
 #=================================================
@@ -52,7 +64,7 @@ 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