diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index 742bc3c8..2bd68aee 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -274,6 +274,13 @@ in
       "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBDcPNCgtdz8erFPRrAwCr4JrkeYXJUUvoRBgP0X2HlzJgDe1Inuo6sC6CGcO3IXbf4MwVA9XEp8BYPHARVeEHhufg/0wnIABLx2GcK99yxOLDUe4h/3YwtqvOcqHEsDx7w=="
     ];
   };
+  users.extraUsers.occheung = {
+    isNormalUser = true;
+    extraGroups = ["lp" "scanner"];
+    openssh.authorizedKeys.keys = [
+      "ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBPEvmWmxpFpMgp5fpjKud8ev0cyf/+X5fEpQt/YD/+u4mbvZYPE300DLqQ0h/qjgvaGMz1ndf4idYnRdy+plJEC/+hmlRW5NlcpAr3S/LYAisacgKToFVl+MlBo+emS9Ig=="
+    ];
+  };
   users.extraUsers.nix = {
     isNormalUser = true;
   };