diff --git a/app/index.jade b/app/index.jade
index b53656f9..71ac29b6 100644
--- a/app/index.jade
+++ b/app/index.jade
@@ -9,6 +9,8 @@ html(lang="en")
         title Taiga
         meta(name="description", content="Taiga is a project management platform for startups and agile developers & designers who want a simple, beautiful tool that makes work truly enjoyable.")
         meta(name="keywords", content="agile, scrum, taiga, management, project, developer, designer, user experience")
+        meta(http-equiv="X-Frame-Options", content="deny")
+
         //-meta(name="viewport", content="width=device-width, user-scalable=no")
         link(rel="stylesheet", href="/#{v}/styles/theme-taiga.css")
         link(rel="icon", type="image/png", href="/#{v}/images/favicon.png")