diff --git a/nixbld-etc-nixos/configuration.nix b/nixbld-etc-nixos/configuration.nix
index dc95162..2bf41d9 100644
--- a/nixbld-etc-nixos/configuration.nix
+++ b/nixbld-etc-nixos/configuration.nix
@@ -43,6 +43,7 @@
 
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
+  services.openssh.forwardX11 = true;
 
   # Open ports in the firewall.
   networking.firewall.allowedTCPPorts = [ 631 5901 80 443 ];