diff --git a/hosts/nuos/disk-config.nix b/hosts/nuos/disk-config.nix
index 1655b84..f44bae8 100644
--- a/hosts/nuos/disk-config.nix
+++ b/hosts/nuos/disk-config.nix
@@ -21,6 +21,7 @@
               type = "filesystem";
               format = "vfat";
               mountpoint = "/boot";
+              mountOptions = [ "umask=0077" ];
             };
           };
           root = {