diff --git a/hydra/overdrive.scm b/hydra/overdrive.scm
index 66d78dd..0f4e087 100644
--- a/hydra/overdrive.scm
+++ b/hydra/overdrive.scm
@@ -57,6 +57,7 @@
                (target "/boot/efi")))
   (initrd-modules (cons* "xhci-pci" "ahci_platform" "sg" "sd_mod"
                          %base-initrd-modules))
+  (firmware '())
   (file-systems (cons* (file-system
                          (device "/dev/sda3")
                          (mount-point "/")