diff --git a/hive.nix b/hive.nix
index ee4f749..6c1a087 100644
--- a/hive.nix
+++ b/hive.nix
@@ -75,11 +75,11 @@ let
   # Function to create arguments based on the node
   #
   mkArgs = node: rec {
-    lib = nodePkgs.lib // {
+    lib = sourcePkgs.lib // {
       extra = nix-lib;
     };
 
-    nodePkgs = nodePkgs node;
+    sourcePkgs = nodePkgs node;
     meta = (import ./meta) lib;
 
     nodeMeta = meta.nodes.${node};
@@ -101,7 +101,7 @@ in
 
   registry = {
     nixos = {
-      evalConfig = args: import "${args.specialArgs.nodePkgs.path}/nixos/lib/eval-config.nix" args;
+      evalConfig = args: import "${args.specialArgs.sourcePkgs.path}/nixos/lib/eval-config.nix" args;
       defaults =
         { name, nodeMeta, ... }:
         {