diff --git a/home/roles/base/default.nix b/home/roles/base/default.nix
index 068fed2..5ec69b9 100644
--- a/home/roles/base/default.nix
+++ b/home/roles/base/default.nix
@@ -32,7 +32,7 @@ in
     nix.gc = {
       automatic = true;
       randomizedDelaySec = mkIf pkgs.stdenv.isLinux "14m";
-      options = "--delete-older-than 10d";
+      options = lib.mkDefault "--delete-older-than 10d";
     };
 
     # Essential programs everyone needs