diff --git a/conf/nginx.conf b/conf/nginx.conf
index 77b72b2..7a4b36a 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,18 +1,19 @@
-  location / {
-        if ($scheme = http) {
-        rewrite ^ https://$server_name$request_uri? permanent;
-        }
+location / {
+  # Force usage of https
+  if ($scheme = http) {
+    rewrite ^ https://$server_name$request_uri? permanent;
+  }
 
-        # Standard nginx configuration
-        proxy_http_version 1.1;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Connection "upgrade";
-        proxy_set_header Host $http_host;
+  # Standard nginx configuration
+  proxy_http_version 1.1;
+  proxy_set_header Upgrade $http_upgrade;
+  proxy_set_header Connection "upgrade";
+  proxy_set_header Host $http_host;
 
-        proxy_pass http://localhost:__PORT__;
+  proxy_pass http://localhost:__PORT__;
 
-        client_max_body_size 16m;
+  client_max_body_size 16m;
 
-        # Include SSOWAT user panel.
-        include conf.d/yunohost_panel.conf.inc;
-    }
+  # Include SSOWAT user panel.
+  include conf.d/yunohost_panel.conf.inc;
+}
diff --git a/scripts/install b/scripts/install
index 7054b60..d05a4a4 100644
--- a/scripts/install
+++ b/scripts/install
@@ -125,8 +125,6 @@ ynh_setup_source --dest_dir="$final_path/$app"
 #=================================================
 ynh_print_info --message="Configuring nginx web server..."
 
-### `ynh_add_nginx_config` will use the file conf/nginx.conf
-
 # Create a dedicated nginx config
 ynh_add_nginx_config
 
diff --git a/scripts/restore b/scripts/restore
index f5710fe..97b3220 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -52,6 +52,7 @@ test ! -d $final_path \
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
 #=================================================
+ynh_print_info --message="Restoring the nginx configuration..."
 
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 8ce3564..92df5c9 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -34,6 +34,7 @@ admin_email=$(ynh_app_setting_get --app=$app --key=admin_email)
 #=================================================
 # CHECK VERSION
 #=================================================
+ynh_print_info --message="Checking version..."
 
 upgrade_type=$(ynh_check_app_version_changed)
 
@@ -190,8 +191,8 @@ chown -R "$app":"$app" "$final_path"
 
 pushd $final_path/$app/js
     ynh_use_nodejs    
-    sudo -u $app env PATH=$PATH npm install
-    sudo -u $app env PATH=$PATH npm run build
+    sudo -u $app env PATH=$PATH yarn install
+    sudo -u $app env PATH=$PATH yarn run build
 popd
 
 pushd $final_path/$app