diff --git a/pkgs/tools/system/r10k/default.nix b/pkgs/tools/system/r10k/default.nix
index 0695504cc012..95462e2c0035 100644
--- a/pkgs/tools/system/r10k/default.nix
+++ b/pkgs/tools/system/r10k/default.nix
@@ -8,9 +8,7 @@ stdenv.mkDerivation rec {
   env = bundlerEnv {
     name = "${name}-gems";
 
-    gemfile = ./Gemfile;
-    lockfile = ./Gemfile.lock;
-    gemset = ./gemset.nix;
+    gemdir = ./.;
     inherit ruby;
   };