diff --git a/lib/home-manager.nix b/lib/home-manager.nix
index 74df1467..6409e775 100644
--- a/lib/home-manager.nix
+++ b/lib/home-manager.nix
@@ -15,7 +15,7 @@ rec {
 
     # The default value when `attrPath` is missing.
     default:
-    attrs ? nixosConfig && lib.attrByPath attrPath default attrs;
+    attrs ? nixosConfig && lib.attrByPath attrPath default attrs.nixosConfig;
 
   hasDarwinConfigAttr =
     # The configuration attribute set of the home-manager configuration.
@@ -26,7 +26,7 @@ rec {
 
     # The default value when `attrPath` is missing.
     default:
-    attrs ? darwinConfig && pkgs.lib.attrByPath attrPath default attrs;
+    attrs ? darwinConfig && pkgs.lib.attrByPath attrPath default attrs.darwinConfig;
 
   /*
     A quick function to check if the optional NixOS system module is enabled.