diff --git a/cgi-bin/form.py b/cgi-bin/form.py
index 374d67d..6a2b010 100755
--- a/cgi-bin/form.py
+++ b/cgi-bin/form.py
@@ -170,7 +170,7 @@ if not isinstance(hcaptcha_data, Mapping) or not hcaptcha_data.get("success", Fa
 # form (see the match block below).
 contact_name = get_form_value("contactname")
 contact_email = get_form_value("contactemail")
-message = get_form_value("message")
+message = get_form_value("message", "[Keine Nachricht hinterlassen]")
 attachment: Optional[tuple[str, bytes]] = None
 
 ticket_details = collections.OrderedDict()