diff --git a/check_process b/check_process
index a82cc48..20bad8e 100644
--- a/check_process
+++ b/check_process
@@ -16,7 +16,7 @@
 		#upgrade=1	from_commit=CommitHash
 		backup_restore=1
 		multi_instance=1
-		change_url=0
+		change_url=1
 ;;; Options
 Email=
 Notification=none
diff --git a/conf/systemd.service b/conf/systemd.service
index c5e7ee4..247766d 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -1,5 +1,5 @@
 [Unit]
-Description=Commento daemon service
+Description=Commento: commenting platform
 After=network.target postgresql.service
 
 [Service]
diff --git a/scripts/change_url b/scripts/change_url
index ff37e4c..8368d51 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -17,7 +17,7 @@ old_domain=$YNH_APP_OLD_DOMAIN
 old_path=$YNH_APP_OLD_PATH
 
 new_domain=$YNH_APP_NEW_DOMAIN
-new_path=$YNH_APP_NEW_PATH
+new_path="/"
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -28,6 +28,10 @@ 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)
+db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+db_user=$db_name
+db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
@@ -100,6 +104,17 @@ then
 	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
 fi
 
+#=================================================
+# ADD A CONFIGURATION
+#=================================================
+ynh_script_progression --message="Adding a configuration file..." --weight=1
+
+domain="$new_domain"
+ynh_add_config --template="../conf/.env" --destination="$final_path/commento.env"
+
+chmod 400 "$final_path/commento.env"
+chown $app:$app "$final_path/commento.env"
+
 #=================================================
 # GENERIC FINALISATION
 #=================================================