diff --git a/_includes/page.njk b/_includes/page.njk
index 9fca637..adc342a 100644
--- a/_includes/page.njk
+++ b/_includes/page.njk
@@ -4,7 +4,7 @@ eleventyComputed:
     key: "{{ title | safe }}"
 ---
 <!doctype html>
-<html lang="en">
+<html lang="{{ lang }}">
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
