diff --git a/machines/gerd/services/stalwart/stalwart.nix b/machines/gerd/services/stalwart/stalwart.nix
index c50dfcb..47916ea 100644
--- a/machines/gerd/services/stalwart/stalwart.nix
+++ b/machines/gerd/services/stalwart/stalwart.nix
@@ -23,7 +23,7 @@ let
   stalwart_user = config.users.users.stalwart-mail.name;
   stalwart_group = config.users.groups.stalwart-mail.name;
 
-  certLocation = config.security.acme.certs."${svc_domain}".directory;
+  certLocation = config.security.acme.certs."${svc_domain_mail}".directory;
 in {
   services.stalwart-mail = {
     enable = true;
@@ -161,7 +161,7 @@ in {
 
   # need to change group to stalwart-mail for cert + add nginx to stalwart-mail group to do HTTP ACME
   users.users.nginx.extraGroups = [ stalwart_group ];
-  security.acme.certs."${svc_domain}" = {
+  security.acme.certs."${svc_domain_mail}" = {
     group = stalwart_group; 
     reloadServices = [ config.systemd.services.stalwart-mail.name ];
   };