diff --git a/ops/nixos/porcorosso/default.nix b/ops/nixos/porcorosso/default.nix
index a0b5a8d5c6..577eb12251 100644
--- a/ops/nixos/porcorosso/default.nix
+++ b/ops/nixos/porcorosso/default.nix
@@ -53,7 +53,7 @@ in {
     "/data" = {
       device = "/dev/disk/by-label/BULKDATA";
       fsType = "ntfs";
-      options = [ "rw" "uid=1000" "gid=100" "dmask=077" "fmask=137" "windows_names" ];
+      options = [ "rw" "uid=1000" "gid=100" "dmask=022" "fmask=024" "windows_names" ];
     };
   };