diff --git a/src/rupload/app.py b/src/rupload/app.py
index ab77c72..20413fe 100644
--- a/src/rupload/app.py
+++ b/src/rupload/app.py
@@ -280,6 +280,8 @@ async def handle_index(request: web.Request):
         message = message[: message.find("here: ") + len("here: ")]
         message += f'<a href="{url}">'
         message += f"{url}</a>"
+    if not message:
+        message = "Any file type is allowed thus also binary/executable or source files."
     if message:
         message += "<br /><br />"
     html_content = html_content.replace("[message]", message)