diff --git a/scripts/change_url b/scripts/change_url
index 6b15eea..5f4466a 100755
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -14,14 +14,14 @@ source /usr/share/yunohost/helpers
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping a systemd service..." --time --weight=1
+ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
-ynh_script_progression --message="Updating NGINX web server configuration..." --time --weight=1
+ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
 
 ynh_change_url_nginx_config
 
@@ -31,18 +31,16 @@ ynh_change_url_nginx_config
 # UPDATE CONFIGURATION FILE
 #=================================================
 
-ynh_exec_warn_less 'ynh_add_config --template="config.xml" --destination="$data_dir/config.xml"'
-
-chmod 750 "$data_dir/config.xml"
-chmod o-rwx "$data_dir/config.xml"
-chown $app "$data_dir/config.xml"
+ynh_add_config --template="config.xml" --destination="$data_dir/config.xml"
+chmod 400 "$data_dir/config.xml"
+chown $app:$app "$data_dir/config.xml"
 
 #=================================================
 # GENERIC FINALISATION
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --time --weight=1
+ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="CommandExecutor: Starting"
 
@@ -50,4 +48,4 @@ ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --l
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Change of URL completed for $app" --time --last
+ynh_script_progression --message="Change of URL completed for $app" --last
diff --git a/scripts/restore b/scripts/restore
index f9efb6e..3fb68bd 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -21,9 +21,9 @@ chmod -R o-rwx "$install_dir"
 chown -R $app: "$install_dir"
 
 #=================================================
-# RESTORE THE APP DATA DIR
+# RESTORE SYSTEM CONFIGURATIONS
 #=================================================
-ynh_script_progression --message="Restoring the app data directory..." --weight=2
+ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1
 
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 48c40f4..efe314d 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -36,7 +36,6 @@ then
 	ynh_setup_source --dest_dir="$install_dir" 
 fi
 
-chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
 chown -R $app: "$install_dir"