diff --git a/configuration.nix b/configuration.nix
index 0977c6e..472bab2 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -162,7 +162,7 @@
   };
   security.acme = {
     # TODO(q3k): change to @cebula.camp address.
-    email = "q3k@q3k.org";
+    defaults.email = "q3k@q3k.org";
     acceptTerms = true;
   };
   # Limit nscd memory usage, as it sometimes just blows up and the OOMkiller
diff --git a/mailserver.nix b/mailserver.nix
index 3aaa57f..a5924e8 100644
--- a/mailserver.nix
+++ b/mailserver.nix
@@ -27,7 +27,7 @@
     name = "encryptor";
     src = ./encryptor;
     #cargoSha256 = lib.fakeSha256;
-    cargoSha256 = "sha256:1ky42jssq3sk2a3lf29qc019bwj73rczcaqdjaick3nmz7yf1679";
+    cargoHash = "sha256:1ky42jssq3sk2a3lf29qc019bwj73rczcaqdjaick3nmz7yf1679";
   };
 
 in {