diff --git a/flake.nix b/flake.nix
index 1ef9d92..a15fd71 100644
--- a/flake.nix
+++ b/flake.nix
@@ -130,6 +130,19 @@
         environment.systemPackages = [ linien-server ];
       });
 
+      fast-servo-init = ({ config, pkgs, lib, ... }: {
+        boot.postBootCommands = lib.mkAfter ''
+
+          # Program the FPGA
+          set +x
+          echo Flashing bitstream...
+          echo 0 > /sys/class/fpga_manager/fpga0/flags
+          mkdir -p /lib/firmware
+          cp ${fast-servo-gateware}/gateware.bin /lib/firmware/
+          echo gateware.bin > /sys/class/fpga_manager/fpga0/firmware
+        '';
+      });
+
       fast-servo-gateware = pkgs.stdenv.mkDerivation rec {
         name = "fast-servo-gateware";
         inherit (pkgs.python3Packages.linien-common) src;
@@ -195,7 +208,8 @@
           inherit nixpkgs;
           extraModules = [
             "${patched-not-os}/zynq_image.nix"
-          ] ++ pkgs.lib.optional (board == "fast-servo") fast-servo-extrapkg;
+          ] ++ pkgs.lib.optional (board == "fast-servo") fast-servo-extrapkg
+          ++ pkgs.lib.optional (board == "fast-servo") fast-servo-init;
           system = "x86_64-linux";
           crossSystem.system = "armv7l-linux";
         });