diff --git a/nixos/modules/programs/nh.nix b/nixos/modules/programs/nh.nix
index fd9229bd71d1..f50e7a9dcea9 100644
--- a/nixos/modules/programs/nh.nix
+++ b/nixos/modules/programs/nh.nix
@@ -99,6 +99,7 @@ in
         script = "exec ${lib.getExe cfg.package} clean all ${cfg.clean.extraArgs}";
         startAt = cfg.clean.dates;
         path = [ config.nix.package ];
+        after = [ "multi-user.target" ];
         serviceConfig.Type = "oneshot";
       };