diff --git a/terraform/hydra.nix b/terraform/hydra.nix
index 8ae27c5..1ecda77 100644
--- a/terraform/hydra.nix
+++ b/terraform/hydra.nix
@@ -41,7 +41,7 @@ in
       description = "experiments branch to test things for K900";
 
       nix_expression = {
-        file = "pkgs/top-level/release.nix";
+        file = "nixos/release.nix";
         input = "nixpkgs";
       };