diff --git a/download.php b/download.php
index 2f3f061..2a1202c 100644
--- a/download.php
+++ b/download.php
@@ -1,6 +1,6 @@
 <?php
 
-if (empty($_GET['icon']) || !preg_match("/^\w+(\.svg)?$/", $_GET['icon'])) exit;
+if (empty($_GET['icon']) || !preg_match("/^[\w\-]+(\.svg)?$/", $_GET['icon'])) exit;
 
 $request = $_GET['icon'];
 $icons_path = __DIR__."/icons";