diff --git a/arkindex/templates/index.html b/arkindex/templates/index.html
index 40708679ec4651d2d44fbed44d9afb9ded8719b9..4ae9b81aadd10f04da81823d6df425846f3e0b9b 100644
--- a/arkindex/templates/index.html
+++ b/arkindex/templates/index.html
@@ -1,5 +1,5 @@
<!DOCTYPE html>
-<html>
+<html data-theme="light">
<head>
<meta charset=utf-8>
<meta name=viewport content="width=device-width,initial-scale=1">