diff --git a/nix/modules/acme-dns.nix b/nix/modules/acme-dns.nix
index e7ee22e..caa8b5e 100644
--- a/nix/modules/acme-dns.nix
+++ b/nix/modules/acme-dns.nix
@@ -139,7 +139,7 @@ in
 
     # Seed the new cert's acmedns storage before the ACME unit first runs (see
     # acmeStorageSeed above). Ordering via the generated acme unit name.
-    systemd.services.cc-ci-acme-storage-seed = {
+    services.cc-ci-acme-storage-seed = {
       description = "Seed ci.autonomic.zone acme-dns storage from the legacy account";
       after = [ "acme-dns.service" ];
       wantedBy = [ "acme-ci.autonomic.zone.service" ];