diff --git a/Casks/stack-exchange-notifier.rb b/Casks/stack-exchange-notifier.rb
index 6e4ea97bcd0..f46dacfb79f 100644
--- a/Casks/stack-exchange-notifier.rb
+++ b/Casks/stack-exchange-notifier.rb
@@ -3,7 +3,7 @@ cask 'stack-exchange-notifier' do
   sha256 '849b543bc724e735e9a951721159b45a5284fde44c4cd8caa74c0e7eefb7e30c'
 
   url "https://hewgill.com/senotifier/stack-exchange-notifier-#{version}.dmg"
-  appcast 'https://hewgill.com/senotifier/'
+  appcast 'https://hewgill.com/senotifier/appcast.xml'
   name 'Stack Exchange Notifier'
   homepage 'https://hewgill.com/senotifier/'