diff --git a/_layouts/default.html b/_layouts/default.html
index 35c19eb6..4f7463f9 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -25,7 +25,7 @@
     <meta name="theme-color" content="#157878">
     <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
     <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}">
-    <link rel="stylesheet" href="{{ '/assets/css/styles.css' | relative_url }}">
+    <link rel="stylesheet" href="{{ '/assets/css/styles.css' | absolute_url }}">
     <link rel="shortcut icon" href="/Pupil/favicon.ico" type="image/x-icon" />
 
     <script>