diff --git a/protocol.html b/protocol.html
index 185a8c6..2befba2 100644
--- a/protocol.html
+++ b/protocol.html
@@ -5,7 +5,7 @@
     <title>Solid Notifications Protocol</title>
     <meta content="width=device-width, initial-scale=1" name="viewport" />
     <link href="https://www.w3.org/StyleSheets/TR/2021/W3C-ED" media="all" rel="stylesheet" title="W3C-ED" />
-    <link href="https://www.w3.org/StyleSheets/TR/2021/dark.css" media="all" rel="stylesheet" />
+    <link href="https://www.w3.org/StyleSheets/TR/2021/dark.css" media="(prefers-color-scheme: dark)" rel="stylesheet" />
 <style>
 body {
 counter-reset:section;