diff --git a/raspberry-pi/4/default.nix b/raspberry-pi/4/default.nix
index b45856ab..29f62dba 100644
--- a/raspberry-pi/4/default.nix
+++ b/raspberry-pi/4/default.nix
@@ -33,7 +33,7 @@
       "usbhid"
       "usb-storage"
       "vc4"
-      "pcie_brcmstb" # required for the pcie bus to work
+      "pcie-brcmstb" # required for the pcie bus to work
       "reset-raspberrypi" # required for vl805 firmware to load
     ]
     ++ lib.optional config.boot.initrd.network.enable "genet";