diff --git a/hosts/common.nix b/hosts/common.nix
index a51cc92..104a853 100644
--- a/hosts/common.nix
+++ b/hosts/common.nix
@@ -45,7 +45,7 @@
   services.getty = {
     autologinUser = "me";
     autologinOnce = true;
-  }
+  };
 
   environment.systemPackages = with pkgs; [
     nodejs
diff --git a/hosts/tardis/default.nix b/hosts/tardis/default.nix
index 87f9d45..cf84d51 100644
--- a/hosts/tardis/default.nix
+++ b/hosts/tardis/default.nix
@@ -6,9 +6,9 @@
       ./hardware-configuration.nix
     ];
 
-  environment.systemPackages = with pkgs; [
+  environment.systemPackages = lib.mkAfter (with pkgs; [
     firefox
-  ];
+  ]);
 
   services.xserver.enable = true;