diff --git a/partitions/luks-btrfs-subvolumes.nix b/partitions/luks-btrfs-subvolumes.nix
index 01661c0..4775237 100644
--- a/partitions/luks-btrfs-subvolumes.nix
+++ b/partitions/luks-btrfs-subvolumes.nix
@@ -14,9 +14,7 @@
                 type = "filesystem";
                 format = "vfat";
                 mountpoint = "/boot";
-                mountOptions = [
-                  "defaults"
-                ];
+                mountOptions = [ "umask=0077" ];
               };
             };
             luks = {