diff --git a/default.nix b/default.nix
index f06a4d3b..d3eb8696 100644
--- a/default.nix
+++ b/default.nix
@@ -18,12 +18,15 @@ let
     config.allowBroken = true;
   };
 
-in fix (self: (readTree rec {
-  hscloud = self;
-  pkgs = nixpkgs;
-  pkgsSrc = nixpkgsSrc;
-  inherit (nixpkgs) lib stdenv;
-} ./.) // {
+  resForPkgs = pkgs: fix (self: (readTree rec {
+    hscloud = self;
+    inherit pkgs;
+    pkgsSrc = pkgs.path;
+    inherit (pkgs) lib stdenv;
+    hscloudForPkgs = pkgs: resForPkgs pkgs;
+  } ./.));
+
+in (resForPkgs nixpkgs) // {
   root = ./.;
   pkgs = nixpkgs;
-})
+}
diff --git a/ops/machines.nix b/ops/machines.nix
index 6a955734..5d09d743 100644
--- a/ops/machines.nix
+++ b/ops/machines.nix
@@ -5,7 +5,7 @@
 #
 # For information about building/deploying machines see //ops/README.md.
 
-{ hscloud, pkgs, ... }:
+{ hscloud, pkgs, hscloudForPkgs, ... }:
 
 let
   # nixpkgs for cluster machines (.hswaw.net). Currently pinned to an old
@@ -121,7 +121,7 @@ let
       passthru.hscloud.provision = pkgs.writeScript "provision-${fqdn}" runProvision;
 
       # TODO(q3k): this should be named hscloud, but that seems to not work. Debug and rename.
-      _module.args.workspace = hscloud;
+      _module.args.workspace = hscloudForPkgs pkgs;
       _module.args.machines = machines;
     };
   });