diff --git a/theme/keywind/email/html-src/template.ftl b/theme/keywind/email/html-src/template.ftl
index ba4f70d..b60d91c 100644
--- a/theme/keywind/email/html-src/template.ftl
+++ b/theme/keywind/email/html-src/template.ftl
@@ -8,7 +8,7 @@
 
 <#macro emailLayout>
 <!DOCTYPE html>
-<html lang="en" xmlns:v="urn:schemas-microsoft-com:vml">
+<html lang="${locale}" xmlns:v="urn:schemas-microsoft-com:vml">
   <head>
     <@document.kw script=script />
   </head>
diff --git a/theme/keywind/email/html/template.ftl b/theme/keywind/email/html/template.ftl
index ba4f70d..b60d91c 100644
--- a/theme/keywind/email/html/template.ftl
+++ b/theme/keywind/email/html/template.ftl
@@ -8,7 +8,7 @@
 
 <#macro emailLayout>
 <!DOCTYPE html>
-<html lang="en" xmlns:v="urn:schemas-microsoft-com:vml">
+<html lang="${locale}" xmlns:v="urn:schemas-microsoft-com:vml">
   <head>
     <@document.kw script=script />
   </head>
