diff --git a/system/src/Grav/Common/Backup/Backups.php b/system/src/Grav/Common/Backup/Backups.php
index 9582b9e62..a3b3b89c4 100644
--- a/system/src/Grav/Common/Backup/Backups.php
+++ b/system/src/Grav/Common/Backup/Backups.php
@@ -70,7 +70,7 @@ class Backups
     public function getBackupDownloadUrl($backup, $base_url)
     {
         $param_sep = $param_sep = Grav::instance()['config']->get('system.param_sep', ':');
-        $download = urlencode(base64_encode($backup));
+        $download = urlencode(base64_encode(basename($backup)));
         $url      = rtrim(Grav::instance()['uri']->rootUrl(true), '/') . '/' . trim($base_url,
                 '/') . '/task' . $param_sep . 'backup/download' . $param_sep . $download . '/admin-nonce' . $param_sep . Utils::getNonce('admin-form');