diff --git a/note.php b/note.php
index de79d5e..5b7e362 100644
--- a/note.php
+++ b/note.php
@@ -48,7 +48,7 @@
 	// main
 
 	$title = '';
-	$content = '';
+	$content = false;
 	if (isset($_GET['new']))
 	{
 		$now = date("Y-m-d H.i.s", time());
@@ -62,6 +62,12 @@
 		$content = file_get_contents($dir . '/' . $title . '.md');
 	}
 
+	if (!$content)
+	{
+		http_response_code(404);
+		die();
+	}
+
 	clearstatcache();
 	$lastchanged = filemtime($dir . '/' . $title . '.md');
 	$lines = substr_count($content, "\r\n");