diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index d24cea1a2..a46b8af15 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -67,7 +67,7 @@ let
     # TODO search-domains :: listOf hostname
     search-domain = mkOption {
       type = types.hostname;
-      default = "retiolum";
+      default = "r";
     };
     zone-head-config  = mkOption {
       type = with types; attrsOf str;