foo.diff

diff --git a/pkgs/development/ruby-modules/bundler-env/default.nix b/pkgs/development/ruby-modules/bundler-env/default.nix
index d412d10102f..fc81d00bc5a 100644
--- a/pkgs/development/ruby-modules/bundler-env/default.nix
+++ b/pkgs/development/ruby-modules/bundler-env/default.nix
@@ -10,6 +10,7 @@
 , gemset ? null
 , groups ? ["default"]
 , ruby ? defs.ruby
+, bundler ? defs.bundler
 , copyGemFiles ? false # Copy gem files instead of symlinking
 , gemConfig ? defaultGemConfig
 , postBuild ? null
@@ -23,7 +24,7 @@
 let
   inherit (import ../bundled-common/functions.nix {inherit lib ruby gemConfig groups; }) genStubsScript;
 
-  basicEnv = (callPackage ../bundled-common {}) (args // { inherit pname name; mainGemName = pname; });
+  basicEnv = (callPackage ../bundled-common { inherit bundler; }) (args // { inherit pname name; mainGemName = pname; });
 
   inherit (basicEnv) envPaths;
   # Idea here is a mkDerivation that gen-bin-stubs new stubs "as specified" -