diff --git a/nixos/tests/nixos-rebuild-target-host.nix b/nixos/tests/nixos-rebuild-target-host.nix
index bf80b2fa6606..4a210f94fd22 100644
--- a/nixos/tests/nixos-rebuild-target-host.nix
+++ b/nixos/tests/nixos-rebuild-target-host.nix
@@ -24,6 +24,8 @@ import ./make-test-python.nix ({ pkgs, ... }: {
 
       system.build.privateKey = snakeOilPrivateKey;
       system.build.publicKey = snakeOilPublicKey;
+      # needed to provide STC implementation for target
+      system.switch.enable = true;
     };
 
     target = { nodes, lib, ... }: let