diff --git a/pkgs/desktops/gnome-2/platform/libgnome/default.nix b/pkgs/desktops/gnome-2/platform/libgnome/default.nix
index 4612e6aee6f..d0a4d1787c6 100644
--- a/pkgs/desktops/gnome-2/platform/libgnome/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgnome/default.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "197pnq8y0knqjhm2fg4j6hbqqm3qfzfnd0irhwxpk1b4hqb3kimj";
   };
 
+  outputs = [ "dev" "out" ];
+
   patches = [ ./new-glib.patch ];
 
   nativeBuildInputs = [ pkgconfig ];