diff --git a/nixos/hosts/piaware-rpi4/default.nix b/nixos/hosts/piaware-rpi4/default.nix
index 26a1feb1..56d3e13f 100644
--- a/nixos/hosts/piaware-rpi4/default.nix
+++ b/nixos/hosts/piaware-rpi4/default.nix
@@ -20,16 +20,24 @@
   #####################################################################################
   # BEGIN hardware config
   #####################################################################################
+    boot = {
+      initrd.availableKernelModules = [
+        "xhci_pci"
+        "usbhid"
+        "usb_storage"
+        "vc4"
+        "pcie_brcmstb" # required for the pcie bus to work
+        "reset-raspberrypi" # required for vl805 firmware to load
+      ];
+      # Use the extlinux boot loader. (NixOS wants to enable GRUB by default)
+      loader.grub.enable = false;
+      # Enables the generation of /boot/extlinux/extlinux.conf
+      loader.generic-extlinux-compatible.enable = true;
 
-  # Use the extlinux boot loader. (NixOS wants to enable GRUB by default)
-  boot.loader.grub.enable = false;
-  # Enables the generation of /boot/extlinux/extlinux.conf
-  boot.loader.generic-extlinux-compatible.enable = true;
-
-  boot.initrd.availableKernelModules = [ "xhci_pci" "usbhid" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ ];
-  boot.extraModulePackages = [ ];
+      initrd.kernelModules = [ ];
+      kernelModules = [ ];
+      extraModulePackages = [ ];
+    };
 
   fileSystems."/" = { 
     device = "/dev/disk/by-uuid/44444444-4444-4444-8888-888888888888";