diff --git a/src/downloader/downloader.ts b/src/downloader/downloader.ts
index c6efe94f057..ac49192900a 100644
--- a/src/downloader/downloader.ts
+++ b/src/downloader/downloader.ts
@@ -25,6 +25,6 @@ document.addEventListener('DOMContentLoaded', () => {
             }
         }
 
-        window.close();
+        window.setTimeout(() => window.close(), 1500);
     }
 });