diff --git a/modules/nixos/common/yggdrasil.nix b/modules/nixos/common/yggdrasil.nix
index bff6463..7d31815 100644
--- a/modules/nixos/common/yggdrasil.nix
+++ b/modules/nixos/common/yggdrasil.nix
@@ -40,7 +40,7 @@ in
     };
     services.yggdrasil = {
       enable = true;
-      persistentKeys = true;
+      persistentKeys = lib.mkDefault true;
       openMulticastPort = true;
       settings = {
         inherit (cfg) AllowedPublicKeys;