diff --git a/quickly.nix b/quickly.nix
index 98265b3..d2eb8ce 100644
--- a/quickly.nix
+++ b/quickly.nix
@@ -42,7 +42,10 @@ in
     boot.initrd = {
     # Alternatively, you can include entire directories
     extraFiles = {
-      "install".source = ./config/initrd-include;
+      "install".source = pkgs.runCommand "install-files" {} ''
+      mkdir -p $out
+      cp -r ${./config/initrd-include}/* $out/
+    '';
     };
 
     postMountCommands = ''