diff --git a/core.php b/core.php
index 1a508f9..71c58d4 100644
--- a/core.php
+++ b/core.php
@@ -153,6 +153,7 @@ function renderpage($title, $content, $minimal = false)
 <html><head>
 	<meta charset='utf-8' />
 	<title>$title</title>
+	<meta name=viewport content='width=device-width, initial-scale=1' />
 	<link rel='shortcut icon' href='$favicon' />";
 	if(preg_match("/^[^\/]*\/\/|^\//", $css))
 	{
