diff --git a/hosts/by-name/flowy/default.nix b/hosts/by-name/flowy/default.nix
index b05d1a6c3..522006410 100644
--- a/hosts/by-name/flowy/default.nix
+++ b/hosts/by-name/flowy/default.nix
@@ -22,4 +22,8 @@
   sops.secrets.colin-passwd.neededForUsers = true;
 
   sane.services.rsync-net.enable = true;
+
+  # add an entry to boot into Windows, as if it had been launched directly from the BIOS.
+  boot.loader.systemd-boot.rebootForBitlocker = true;
+  boot.loader.systemd-boot.windows.primary.efiDeviceHandle = "HD0b";
 }