diff --git a/home-manager/default.nix b/home-manager/default.nix
index 1be712b5a..5ab755cfe 100644
--- a/home-manager/default.nix
+++ b/home-manager/default.nix
@@ -11,8 +11,8 @@ let
 
   pathStr = if path == null then "" else path;
 
-  nixos-option = pkgs.nixos-option or callPackage
-    (pkgs.path + "/nixos/modules/installer/tools/nixos-option") { };
+  nixos-option = pkgs.nixos-option or (callPackage
+    (pkgs.path + "/nixos/modules/installer/tools/nixos-option") { });
 
 in runCommand "home-manager" {
   preferLocalBuild = true;