diff --git a/pkgs/development/interpreters/ruby/default.nix b/pkgs/development/interpreters/ruby/default.nix
index 0297839e7da4..3b051eac87b0 100644
--- a/pkgs/development/interpreters/ruby/default.nix
+++ b/pkgs/development/interpreters/ruby/default.nix
@@ -281,6 +281,7 @@ let
             ruby = self;
           };
 
+          inherit rubygems;
           inherit (import ../../ruby-modules/with-packages {
             inherit lib stdenv makeBinaryWrapper buildRubyGem buildEnv;
             gemConfig = defaultGemConfig;