diff --git a/conf/credentials.json b/conf/credentials.json
index 609603b..94278b7 100644
--- a/conf/credentials.json
+++ b/conf/credentials.json
@@ -46,5 +46,5 @@
       "password": "__PASSWORD__",
       "is_admin": true
     }
-  }
+  },
 }
diff --git a/scripts/change_url b/scripts/change_url
index 42d9e9e..a791559 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -28,6 +28,7 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
diff --git a/scripts/upgrade b/scripts/upgrade
index 29b7724..b99001f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -23,6 +23,7 @@ is_public=$(ynh_app_setting_get --app=$app --key=is_public)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 language=$(ynh_app_setting_get --app=$app --key=language)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # CHECK VERSION
@@ -102,7 +103,7 @@ ynh_add_nginx_config
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..." --time --weight=1
+ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
 
 # Create a dedicated user (if not existing)
 ynh_system_user_create --username=$app
@@ -149,7 +150,7 @@ chmod 600 $final_path/credentials.json
 #=================================================
 # SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Upgrading systemd configuration..." --time --weight=1
+ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
 
 # Create a dedicated systemd config
 ynh_add_systemd_config --others_var="ynh_node_load_PATH"
@@ -157,14 +158,14 @@ ynh_add_systemd_config --others_var="ynh_node_load_PATH"
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --time --weight=1
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=2
 
 yunohost service add $app --description "Etherpad-lite, the collaborative editor." --log "/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --time --weight=1
+ynh_script_progression --message="Starting a systemd service..." --time --weight=10
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log" --line_match="Your Etherpad version is" --timeout="120"