diff --git a/pkgs/by-name/ni/nixos-rebuild/package.nix b/pkgs/by-name/ni/nixos-rebuild/package.nix
index 63f8c92..e9eb945 100644
--- a/pkgs/by-name/ni/nixos-rebuild/package.nix
+++ b/pkgs/by-name/ni/nixos-rebuild/package.nix
@@ -12,7 +12,7 @@
 , installShellFiles
 }:
 let
-  fallback = import ./../../../../nixos/modules/installer/tools/nix-fallback-paths.nix;
+  fallback = import "${(import ../../../../inputs.nix {}).nixpkgs}/nixos/modules/installer/tools/nix-fallback-paths.nix";
 in
 substitute {
   name = "nixos-rebuild";