diff --git a/pkgs/tools/typesetting/asciidoctor/default.nix b/pkgs/tools/typesetting/asciidoctor/default.nix
index 495a5fcf8821..f494f1911593 100644
--- a/pkgs/tools/typesetting/asciidoctor/default.nix
+++ b/pkgs/tools/typesetting/asciidoctor/default.nix
@@ -1,8 +1,10 @@
-{ stdenv, lib, bundlerEnv, ruby_2_2, curl }:
+{ stdenv, lib, bundlerEnv, ruby, curl }:
 
-bundlerEnv rec {
+bundlerEnv {
   pname = "asciidoctor";
-  ruby = ruby_2_2;
+
+  inherit ruby;
+
   gemdir = ./.;
 
   meta = with lib; {