diff --git a/hosts/perso-desktop/configuration.nix b/hosts/perso-desktop/configuration.nix
index 8004100..9cbb6b9 100644
--- a/hosts/perso-desktop/configuration.nix
+++ b/hosts/perso-desktop/configuration.nix
@@ -14,7 +14,15 @@
     ];
 
   # Bootloader.
-  boot.loader.systemd-boot.enable = true;
+  boot.loader.systemd-boot = {
+    enable = true;
+    windows = {
+      "11-pro" = {
+        title = "Windows 11 Pro";
+        efiDeviceHandle = "HD1b";
+      };
+    };
+  };
   boot.loader.efi.canTouchEfiVariables = true;
 
   networking.hostName = "nixos-desktop-perso"; # Define your hostname.
diff --git a/hosts/perso-desktop/hardware-configuration.nix b/hosts/perso-desktop/hardware-configuration.nix
index 10f1841..db0366a 100644
--- a/hosts/perso-desktop/hardware-configuration.nix
+++ b/hosts/perso-desktop/hardware-configuration.nix
@@ -24,6 +24,12 @@
       options = [ "fmask=0077" "dmask=0077" ];
     };
 
+  fileSystems."/efi" =
+    { device = "/dev/disk/by-uuid/BEC2-DD2E";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
   swapDevices =
     [ { device = "/var/lib/swapfile"; size = 32*1024; }
     ];