diff --git a/scripts/change_url b/scripts/change_url
index 0f438f1..25d3aa0 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -112,20 +112,10 @@ fi
 #=================================================
 # MODIFY THE CONFIG FILE
 #=================================================
+ynh_script_progression --message="Modifying a config file..."
 
-configfile="$final_path/code/config/.env"
-
-cp ../conf/env.prod "$configfile"
-
-ynh_replace_string --match_string="__REDIS_DB__"  --replace_string="$redis_db"   --target_file="$configfile"
-ynh_replace_string --match_string="__PORT__"      --replace_string="$port"       --target_file="$configfile"
-ynh_replace_string --match_string="__DOMAIN__"    --replace_string="$new_domain" --target_file="$configfile"
-ynh_replace_string --match_string="__DB_USER__"   --replace_string="$db_name"    --target_file="$configfile"
-ynh_replace_string --match_string="__DB_PWD__"    --replace_string="$db_pwd"     --target_file="$configfile"
-ynh_replace_string --match_string="__DB_NAME__"   --replace_string="$db_name"    --target_file="$configfile"
-ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path" --target_file="$configfile"
-ynh_replace_string --match_string="__KEY__"       --replace_string="$key"        --target_file="$configfile"
-
+domain=$new_domain
+ynh_add_config --template="../conf/env.prod" --destination="$final_path/code/config/.env"
 
 #=================================================
 # MODIFY THE FEDERATION