diff --git a/src/OgBootBundle/Controller/OgBootController.php b/src/OgBootBundle/Controller/OgBootController.php
index a9a0fe8..adf9225 100644
--- a/src/OgBootBundle/Controller/OgBootController.php
+++ b/src/OgBootBundle/Controller/OgBootController.php
@@ -841,7 +841,7 @@ public function getBootFiles(): JsonResponse
     {
         $directory = '/opt/ogboot/tftpboot/ipxe_scripts';
 
-        $fileName = "01-" . str_replace(':', '-', $mac);
+        $fileName = "01-" . $mac;
 
         $filePath = "$directory/$fileName";