diff --git a/templates/base.html b/templates/base.html
index a04dc57ce0039b201d1153df5755c361638f7386..e216f6214c67772f9ad3f8a0f9981f1b562323e2 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -4,7 +4,7 @@
{% set thing = section -%}
{% endif -%}
<!DOCTYPE html>
-<html lang="{{ lang }}">
+<html lang="{{ lang }}" data-theme="light">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />