diff --git a/pkgs/tools/text/ruby-zoom/default.nix b/pkgs/tools/text/ruby-zoom/default.nix
index eb3968a0db93..b939e1500e49 100644
--- a/pkgs/tools/text/ruby-zoom/default.nix
+++ b/pkgs/tools/text/ruby-zoom/default.nix
@@ -4,9 +4,7 @@ bundlerEnv {
   pname = "ruby-zoom";
 
   inherit ruby;
-  gemfile = ./Gemfile;
-  lockfile = ./Gemfile.lock;
-  gemset = ./gemset.nix;
+  gemdir = ./.;
 
   meta = with lib; {
     description = "Quickly open CLI search results in your favorite editor!";