diff --git a/nixos/machines/railbird-sf.nix b/nixos/machines/railbird-sf.nix
index e523d30e..a030ccf1 100644
--- a/nixos/machines/railbird-sf.nix
+++ b/nixos/machines/railbird-sf.nix
@@ -15,6 +15,7 @@
   modules.postgres.enable = true;
 
   services.k3s.role = "agent";
+  services.k3s.extraFlages = lib.mkForce ["--node-label nixos-nvidia-cdi=enabled"];
 
   hardware.nvidia = {
     powerManagement.enable = false;