diff --git a/nixos/ringtail/configuration.nix b/nixos/ringtail/configuration.nix
index 0882fe5..bba3957 100644
--- a/nixos/ringtail/configuration.nix
+++ b/nixos/ringtail/configuration.nix
@@ -38,6 +38,9 @@ in
   # NVIDIA container toolkit (CDI specs + runtime for containerd/k3s GPU pods)
   hardware.nvidia-container-toolkit.enable = true;
 
+  # NFS client support (required for k3s to mount NFS PersistentVolumes)
+  boot.supportedFilesystems = [ "nfs" ];
+
   # Wayland / Sway
   programs.sway = {
     enable = true;