diff --git a/templates/index.html b/templates/index.html
index 1030505..ec1669f 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Digital Twin Monitoring Dashboard</title>
     <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
-    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
+    <link rel="stylesheet" href="{{ base_url+'/static/css/style.css' }}">
     <meta http-equiv="refresh" content="3600">
 </head>
 <body>
