diff --git a/pkgs/desktops/gnome-2.28/default.nix b/pkgs/desktops/gnome-2.28/default.nix
index 2f237f13daf4..0efd9d20dfa0 100644
--- a/pkgs/desktops/gnome-2.28/default.nix
+++ b/pkgs/desktops/gnome-2.28/default.nix
@@ -1,6 +1,7 @@
 pkgs:
-
-rec {
+pkgs.makeOverridable
+(__overrides: rec {
+  inherit __overrides;
 
   inherit (pkgs.gtkLibs) glib pango atk gtk gtkmm;
 
@@ -331,4 +332,4 @@ rec {
     inherit gtkmm libglade;
   };
 
-}
+}) {}