diff --git a/nixos/hetzner.nix b/nixos/hetzner.nix
index f7933f0..57a096b 100644
--- a/nixos/hetzner.nix
+++ b/nixos/hetzner.nix
@@ -18,7 +18,7 @@
   services.openssh = {
     enable = true;
     settings.PasswordAuthentication = false;
-    settings.PermitRootLogin = true;
+    settings.PermitRootLogin = "yes";
     extraConfig = ''
       PrintLastLog no
     '';