diff --git a/html/_layouts/default.php b/html/_layouts/default.php
index 6af3a7bac8663e5032dfca01e03b764796341662..5bea8fb7d28adf3727db5f4a030d960c674bc5d1 100644
--- a/html/_layouts/default.php
+++ b/html/_layouts/default.php
@@ -46,7 +46,7 @@ if( !empty($csv) ){
<head>
<link rel="stylesheet" href="assets/css/all.min.css">
- <link rel="stylesheet" href="assets/css/custom.css">
+ <link rel="stylesheet" href="assets/css/custom.css?1">
<script src="assets/js/jquery.min.js"></script>
<script src="assets/js/script.js"></script>
</head>