diff --git a/app/portal/webhook.py b/app/portal/webhook.py
index ad8c8ce..e0e1e11 100644
--- a/app/portal/webhook.py
+++ b/app/portal/webhook.py
@@ -12,12 +12,14 @@ from app.portal.util import response_404, view_lifecycle
 
 bp = Blueprint("webhook", __name__)
 
+
 @bp.app_template_filter("webhook_format_name")
 def webhook_format_name(s: str) -> str:
     if s == "telegram":
         return "Telegram"
     if s == "matrix":
         return "Matrix"
+    return "Unknown"
 
 
 class NewWebhookForm(FlaskForm):