diff --git a/flake.nix b/flake.nix
index 557764f..3170329 100644
--- a/flake.nix
+++ b/flake.nix
@@ -119,19 +119,20 @@
     in rec {
       nixosConfigurations = mapNodes (
         nodeName: node:
-          lib.nixosSystem {
-            system = node.system;
-            modules = node.modules;
+          assert false || abort "DEBUG: node has type ${builtins.typeOf node}";
+            lib.nixosSystem {
+              system = node.system;
+              modules = node.modules;
 
-            # nix passes these to every single module
-            specialArgs =
-              node.modules.specialArgs
-              // {
-                inherit inputs;
-                pkgs = sys.pkgsFor node.system;
-                upkgs = sys.upkgsFor node.system;
-              };
-          }
+              # nix passes these to every single module
+              specialArgs =
+                node.modules.specialArgs
+                // {
+                  inherit inputs;
+                  pkgs = sys.pkgsFor node.system;
+                  upkgs = sys.upkgsFor node.system;
+                };
+            }
       );
 
       deploy.nodes = mapNodes (nodeName: node: let