diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 19428e0..bbdb83c 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -4,6 +4,7 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta http-equiv="Content-Language" content="{{ .Site.Language.Lang }}">
 
     {{ with .Site.Params.author }}<meta name="author" content="{{ . }}">{{ end }}
     <meta name="description" content="{{ .Description | default (.Summary | default .Site.Params.description ) }}">
