diff --git a/conf/nginx.conf b/conf/nginx.conf
index 2fecb65..30217dd 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,3 +1,9 @@
+rewrite ^$ /;
+location ~ ^/$ {
+    default_type text/plain;
+    return 200 "This is where Collabora Online is installed. To actually be useful, this needs to be integrated in a front-end such as Nextcloud for example.";
+}
+
 # static files
 location ^~ /loleaflet {
     proxy_pass http://localhost:__PORT__;
diff --git a/manifest.json b/manifest.json
index e4f2b19..3faac8c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -14,7 +14,7 @@
         "email": "rafi59_dev@srvmaison.fr.nf"
     },
     "requirements": {
-        "yunohost": ">= 3.8.1"
+        "yunohost": ">= 4.1.4.4"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/install b/scripts/install
index ff9ab9b..3478e2a 100644
--- a/scripts/install
+++ b/scripts/install
@@ -60,6 +60,17 @@ port=$(ynh_find_port --port=9980)
 
 ynh_app_setting_set --app=$app --key=port --value=$port
 
+#=================================================
+# CONFIGURE ONLYOFFICE
+#=================================================
+
+# Turns out we need to create/copy this file BEFORE the actual .deb install,
+# otherwise stupid collabora will expect to find a certificate file in its own
+# config directory which of course doesn't exists and we want to disable SSL
+# because we're in a reverse proxy context...
+mkdir -p /etc/loolwsd
+ynh_add_config ../conf/loolwsd.xml /etc/loolwsd/loolwsd.xml
+
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
@@ -79,23 +90,6 @@ ynh_add_nginx_config
 #=================================================
 # SPECIFIC SETUP
 #=================================================
-# MODIFY A CONFIG FILE
-#=================================================
-
-config="/etc/loolwsd/loolwsd.xml"
-
-cp -f ../conf/loolwsd.xml $config
-
-ynh_replace_string --match_string="__NEXTCLOUD_DOMAIN__" --replace_string="$nextcloud_domain" --target_file="$config"
-ynh_replace_string --match_string="__PASSWORD__" --replace_string="$password" --target_file="$config"
-
-#=================================================
-# STORE THE CONFIG FILE CHECKSUM
-#=================================================
-
-# Calculate and store the config file checksum into the app settings
-ynh_store_file_checksum "/etc/loolwsd/loolwsd.xml"
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
@@ -104,7 +98,8 @@ ynh_store_file_checksum "/etc/loolwsd/loolwsd.xml"
 ynh_script_progression --message="Starting a systemd service..."
 
 # Start a systemd service
-ynh_systemd_action --service_name="loolwsd" --action="start" --log_path="systemd" --line_match="Started LibreOffice Online WebSocket Daemon"
+# NB. : we need a stupid *re*start because the service is in fact already started during the damn package install ... so it won't find a recent "Ready to accept connection" match ...
+ynh_systemd_action --service_name="loolwsd" --action="restart" --log_path="systemd" --line_match="Ready to accept connections"
 
 #=================================================
 # SETUP SSOWAT
diff --git a/scripts/restore b/scripts/restore
index 045bc9b..5078f9f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -68,7 +68,7 @@ ynh_restore_file --origin_path="/etc/loolwsd/loolwsd.xml"
 #=================================================
 ynh_script_progression --message="Starting a systemd service..."
 
-ynh_systemd_action --service_name="loolwsd" --action="restart" --log_path="systemd" --line_match="Started LibreOffice Online WebSocket Daemon"
+ynh_systemd_action --service_name="loolwsd" --action="restart" --log_path="systemd" --line_match="Ready to accept connections"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 3bad87d..e755dff 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -89,17 +89,7 @@ ynh_install_extra_app_dependencies --repo="deb https://collaboraoffice.com/repos
 # UPGRADE CONFIG
 #=================================================
 
-config="/etc/loolwsd/loolwsd.xml"
-
-ynh_backup_if_checksum_is_different --file="$config"
-
-cp -f ../conf/loolwsd.xml $config
-
-ynh_replace_string "__NEXTCLOUD_DOMAIN__" "$nextcloud_domain" "$config"
-ynh_replace_string "__PASSWORD__" "$password" "$config"
-
-# Recalculate and store the checksum of the file for the next upgrade.
-ynh_store_file_checksum --file="$config"
+ynh_add_config "../conf/loolwsd.xml" "/etc/loolwsd/loolwsd.xml"
 
 #=================================================
 # GENERIC FINALIZATION
@@ -117,7 +107,7 @@ ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
 #=================================================
 ynh_script_progression --message="Starting a systemd service..."
 
-ynh_systemd_action --service_name="loolwsd" --action="restart" --log_path="systemd" --line_match="Started LibreOffice Online WebSocket Daemon"
+ynh_systemd_action --service_name="loolwsd" --action="restart" --log_path="systemd" --line_match="Ready to accept connections"
 
 #=================================================
 # RELOAD NGINX