diff --git a/pkgs/development/interpreters/ruby/rubygems/default.nix b/pkgs/development/interpreters/ruby/rubygems/default.nix
index 4150f7683d5d..6a8e171ee6e1 100644
--- a/pkgs/development/interpreters/ruby/rubygems/default.nix
+++ b/pkgs/development/interpreters/ruby/rubygems/default.nix
@@ -1,7 +1,7 @@
 { stdenv, lib, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "rubygems";
+  pname = "rubygems";
   version = "3.2.26";
 
   src = fetchurl {