diff --git a/release.nix b/release.nix
index f90fe11a..5ae1b2f7 100644
--- a/release.nix
+++ b/release.nix
@@ -82,7 +82,7 @@ rec {
 
     let hydra = build { inherit system; }; in
 
-    with import "${nixos}/lib/testing.nix" { inherit nixpkgs system; services = null; };
+    with import "${nixos}/lib/testing.nix" { inherit nixpkgs system; };
 
     {