diff --git a/instances/sif/hardware-configuration.nix b/instances/sif/hardware-configuration.nix
index d51e76b..2277d20 100644
--- a/instances/sif/hardware-configuration.nix
+++ b/instances/sif/hardware-configuration.nix
@@ -6,13 +6,7 @@
 
   boot = {
     initrd = {
-      availableKernelModules = [
-        "xhci_pci"
-        "thunderbolt"
-        "nvme"
-        "usb_storage"
-        "sd_mod"
-      ];
+      availableKernelModules = [ "xhci_pci" "thunderbolt" "nvme" "usb_storage" "sd_mod" ];
       kernelModules = [ ];
     };
     kernelModules = [ "kvm-intel" ];
diff --git a/instances/thor/hardware-configuration.nix b/instances/thor/hardware-configuration.nix
index f642305..0c6a858 100644
--- a/instances/thor/hardware-configuration.nix
+++ b/instances/thor/hardware-configuration.nix
@@ -9,8 +9,10 @@
   ];
 
   boot = {
-    initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "uas" "sd_mod" ];
-    initrd.kernelModules = [ ];
+    initrd = {
+      availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "uas" "sd_mod" ];
+      kernelModules = [ ];
+    };
     kernelModules = [ "kvm-amd" ];
     extraModulePackages = [ ];
   };