diff --git a/modules/defaults.nix b/modules/defaults.nix
index b44c1a1..236d1d5 100644
--- a/modules/defaults.nix
+++ b/modules/defaults.nix
@@ -53,6 +53,11 @@
     };
     networking.firewall.enable = true;
 
+    nix.registry.nixpkgs-unstable.to = {
+      type = "path";
+      path = pkgs.unstable;
+    };
+
     # Delegation
     custom.ca.consumer.enable = true;
     custom.dns.enable = true;