diff --git a/pkgs/development/python-modules/rpkg/default.nix b/pkgs/development/python-modules/rpkg/default.nix
index 06683925d852..1e8baa553bdc 100644
--- a/pkgs/development/python-modules/rpkg/default.nix
+++ b/pkgs/development/python-modules/rpkg/default.nix
@@ -21,7 +21,7 @@ buildPythonPackage rec {
   meta = with stdenv.lib; {
     description = "Python library for dealing with rpm packaging";
     homepage = https://pagure.io/fedpkg;
-    license = licenses.gpl2plus;
+    license = licenses.gpl2Plus;
     maintainers = with maintainers; [ mornfall ];
   };