diff --git a/classes/File.php b/classes/File.php
index 6dd9e0c06e..ee418a8024 100644
--- a/classes/File.php
+++ b/classes/File.php
@@ -181,7 +181,7 @@ class File extends Memcached_DataObject
      */
     static function validFilename($filename)
     {
-        return preg_match('^/[A-Za-z0-9._-]+$/', $filename);
+        return preg_match('/^[A-Za-z0-9._-]+$/', $filename);
     }
 
     /**