diff --git a/utils/load_warranty_serial/load_serials.php b/utils/load_warranty_serial/load_serials.php
index b0c3081e..812b151c 100644
--- a/utils/load_warranty_serial/load_serials.php
+++ b/utils/load_warranty_serial/load_serials.php
@@ -24,19 +24,18 @@ if (!file_exists($argv[1]))
 $dotenv = new Dotenv();
 $dotenv->loadEnv(__DIR__.'/../../.env');
 
-$user = $_ENV['DB_USER'];
-$pass = $_ENV['DB_PASSWORD'];
 $db_info = $_ENV['DATABASE_URL'];
 
 // sample format of db_info: mysql://db_user:db_password@127.0.0.1:3306/resq
 // dsn for PDO needs to be: mysql:host=127.0.0.1:3306;dbname=resq;charset=UTF8
 
-$result = preg_split("/[\/:@]/", $db_info);
+preg_match('/^mysql:\/\/(.*):(.*)@(.*):(.*)\/(.*)/', $db_info, $result);
+
 $db_type = 'mysql:host=';
-$user = $result[3];
-$pass = $result[4];
-$ip_port = $result[5] . ':' . $result[6] . ';';
-$db_name = 'dbname=' . $result[7] . ';';
+$user = $result[1];
+$pass = $result[2];
+$ip_port = $result[3] . ':' . $result[4] . ';';
+$db_name = 'dbname=' . $result[5] . ';';
 $charset = 'charset=UTF8';
 
 $dsn = $db_type . $ip_port . $db_name . $charset;