diff --git a/app/Http/Controllers/DownloadController.php b/app/Http/Controllers/DownloadController.php
index 35bf404..b4cfa0e 100644
--- a/app/Http/Controllers/DownloadController.php
+++ b/app/Http/Controllers/DownloadController.php
@@ -83,6 +83,7 @@ private function getDownloadFileName(Inscription $inscription, string $format):
     {
         if (Str::startsWith($format, 'wallpaper_')) {
             return Str::of($inscription->name)
+                ->append('-')
                 ->append($format)
                 ->slug()
                 ->append('.png')