diff --git a/pkgs/desktops/gnome-3/3.12/core/gnome-shell/default.nix b/pkgs/desktops/gnome-3/3.12/core/gnome-shell/default.nix
index 2fb1e091aa0..9ff7fdb1740 100644
--- a/pkgs/desktops/gnome-3/3.12/core/gnome-shell/default.nix
+++ b/pkgs/desktops/gnome-3/3.12/core/gnome-shell/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, pkgconfig, gnome3, json_glib, libcroco, intltool, libsecret
-, python, libsoup, polkit, clutter, networkmanager, docbook_xsl, docbook_xsl_ns
+, python, libsoup, polkit, clutter, networkmanager, docbook_xsl, docbook_xsl_ns, at_spi2_core
 , libstartup_notification, telepathy_glib, telepathy_logger, libXtst, p11_kit, unzip
 , pulseaudio, libical, libtool, nss, gobjectIntrospection, gstreamer, makeWrapper
 , accountsservice, gdk_pixbuf, gdm, upower, ibus, networkmanagerapplet, librsvg }: