diff --git a/systems/x86_64-linux/zaphod/bootloader.nix b/systems/x86_64-linux/zaphod/bootloader.nix
index 542194d8..955c4d40 100644
--- a/systems/x86_64-linux/zaphod/bootloader.nix
+++ b/systems/x86_64-linux/zaphod/bootloader.nix
@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, config, ... }:
 let
   fileSystems = {
     btrfs = true;
@@ -13,7 +13,17 @@ in
     ];
     bootspec.enable = true;
     kernelPackages = pkgs.linuxPackages_latest;
-    extraModulePackages = with pkgs.linuxPackages_latest; [ v4l2loopback ];
+    extraModulePackages = [
+      (config.boot.kernelPackages.v4l2loopback.overrideAttrs (old: {
+        version = "0.15.0";
+        src = pkgs.fetchFromGitHub {
+          owner = "umlaeute";
+          repo = "v4l2loopback";
+          rev = "v0.15.0";
+          sha256 = "sha256-fa3f8GDoQTkPppAysrkA7kHuU5z2P2pqI8dKhuKYh04=";
+        };
+      }))
+    ];
     kernelModules = [
       "v4l2loopback"
       "btusb"