diff --git a/users/default.nix b/users/default.nix
index ea32c55..0319dce 100644
--- a/users/default.nix
+++ b/users/default.nix
@@ -20,6 +20,7 @@
     shell = lib.mkForce config.users.defaultUserShell;
     group = "root";
     hashedPasswordFile = config.age.secrets.user-root-password.path;
+    openssh.authorizedPrincipals = [ "julien_root" ];
     openssh.authorizedKeys.keys = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGa+7n7kNzb86pTqaMn554KiPrkHRGeTJ0asY1NjSbpr julien@tower"
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMAa0wll9ildhgPiV0DhgJXXtw3TQr5VkNxxxPspHSbX julien@gallifrey"
diff --git a/users/julien.nix b/users/julien.nix
index 57b7ba8..0068613 100644
--- a/users/julien.nix
+++ b/users/julien.nix
@@ -18,6 +18,7 @@
     ];
     shell = pkgs.fish;
     hashedPasswordFile = config.age.secrets.julien-password.path;
+    openssh.authorizedPrincipals = [ "julien" ];
   };
 
   nix.settings.allowed-users = [ "julien" ];