diff --git a/home/modules/baseline/xonsh_footer.xsh b/home/modules/baseline/xonsh_footer.xsh
index bb3a5b9..e8e3994 100644
--- a/home/modules/baseline/xonsh_footer.xsh
+++ b/home/modules/baseline/xonsh_footer.xsh
@@ -66,7 +66,7 @@ def _rebuild(args):
         with TemporaryDirectory() as td:
             pushd @(td)
             import platform
-            nom build f"/etc/nixos#nixosConfigurations.{hostname}.config.build.toplevel"
+            nom build f"/etc/nixos#nixosConfigurations.{hostname}.config.system.build.toplevel"
             if g`result`:
                 nvd diff /run/current-system result
                 sudo result/bin/switch-to-configuration switch