diff --git a/libretranslate/templates/index.html b/libretranslate/templates/index.html
index f53f14b..c0a69d8 100644
--- a/libretranslate/templates/index.html
+++ b/libretranslate/templates/index.html
@@ -49,6 +49,8 @@
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/material-icons.css') }}" />
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/prism.min.css') }}" />
 	<link rel="stylesheet" href="{{ url_for('static', filename='css/main.css') }}?v={{ version }}" />
+
+	<meta name="color-scheme" content="light dark">
 </head>
 
 <body>
