diff --git a/modules/nixosModules.nix b/modules/nixosModules.nix
index 89cb301..892d32d 100644
--- a/modules/nixosModules.nix
+++ b/modules/nixosModules.nix
@@ -15,7 +15,11 @@ in
       nixosModules = mkOption {
         type = types.lazyAttrsOf types.deferredModule;
         default = { };
-        apply = mapAttrs (k: v: { _file = "${toString moduleLocation}#nixosModules.${k}"; imports = [ v ]; });
+        apply = mapAttrs (k: v: { 
+          _class = "nixos";
+          _file = "${toString moduleLocation}#nixosModules.${k}"; 
+          imports = [ v ]; 
+        });
         description = ''
           NixOS modules.