diff --git a/src/apps/Elsa.Studio.Web/Pages/_Host.cshtml b/src/apps/Elsa.Studio.Web/Pages/_Host.cshtml
index ae41a056b..302ae209a 100644
--- a/src/apps/Elsa.Studio.Web/Pages/_Host.cshtml
+++ b/src/apps/Elsa.Studio.Web/Pages/_Host.cshtml
@@ -12,7 +12,7 @@
 }
 
 <!DOCTYPE html>
-<html>
+<html lang="en">
 
 <head>
     <meta charset="utf-8"/>