diff --git a/nixos-infect b/nixos-infect
index d82bdde..e9fd12c 100755
--- a/nixos-infect
+++ b/nixos-infect
@@ -189,7 +189,7 @@ EOF
   };
   mailserver = {
     enable = true;
-    fqdn = "$DOMAIM";
+    fqdn = "$DOMAIN";
     domains = [ "$DOMAIN" ];
 
     # A list of all login accounts. To create the password hashes, use