diff --git a/05backends.cfg b/05backends.cfg
index fdaf9d9..b42c79d 100644
--- a/05backends.cfg
+++ b/05backends.cfg
@@ -146,7 +146,7 @@ backend mailcow-backup
   http-response set-header X-Content-Type-Options "nosniff"
   http-response set-header Referrer-Policy "strict-origin-when-cross-origin"
   http-response set-header Cross-Origin-Resource-Policy "same-origin"
-  server mailcow-backup mxmon:443 check ssl verify none
+  server mailcow-backup mxmon:80 check
 
 backend uptime-kuma
   # set HSTS for one year after all responses