diff --git a/init.el b/init.el
index df13a1b..b5abdfc 100644
--- a/init.el
+++ b/init.el
@@ -326,7 +326,7 @@
 (defun my/open-nixos-flake ()
   "Open NixOS system config flake."
   (interactive)
-  (let ((flake "/etc/nixos/flake.nix"))
+  (let ((flake "/sudo::/etc/nixos/flake.nix"))
     (if (file-exists-p flake)
         (find-file flake)
       (warn (concat flake " not found")))))