diff --git a/nixos/modules/virtualisation/containers.nix b/nixos/modules/virtualisation/containers.nix
index 7e45d9f8b22..16df108c21e 100644
--- a/nixos/modules/virtualisation/containers.nix
+++ b/nixos/modules/virtualisation/containers.nix
@@ -267,9 +267,7 @@ in
         ${cfg.localAddress} ${name}.containers
       '') config.containers);
 
-    environment.systemPackages = optional (config.containers != {}) nixos-container;
-
-    system.build.foo = nixos-container;
+    environment.systemPackages = [ nixos-container ];
 
   };
 }