diff --git a/tools/droiddoc/templates-sdk/head_tag.cs b/tools/droiddoc/templates-sdk/head_tag.cs
index 6a1ce060f..37f1b37c3 100644
--- a/tools/droiddoc/templates-sdk/head_tag.cs
+++ b/tools/droiddoc/templates-sdk/head_tag.cs
@@ -13,7 +13,8 @@
   /if
 ?><?cs # END if/else devsite ?>
 
-<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<meta name="viewport" content="width=device-width" />
 <?cs if:page.metaDescription ?>
 <meta name="Description" content="<?cs var:page.metaDescription ?>">
 <?cs /if ?>