diff --git a/pkgs/desktops/xfce/core/libxfce4ui.nix b/pkgs/desktops/xfce/core/libxfce4ui.nix
index 9cd6f99f446..09b400cfceb 100644
--- a/pkgs/desktops/xfce/core/libxfce4ui.nix
+++ b/pkgs/desktops/xfce/core/libxfce4ui.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, gtk, libxfce4util, xfconf
+{ stdenv, fetchurl, pkgconfig, intltool, xorg, gtk, libxfce4util, xfconf
 , libglade, libstartup_notification, hicolor_icon_theme
 , withGtk3 ? false, gtk3
 }:
@@ -25,6 +25,8 @@ stdenv.mkDerivation rec {
       libstartup_notification hicolor_icon_theme
     ] ++ optional withGtk3 gtk3;
 
+  propagatedBuildInputs = [ xorg.libICE xorg.libSM ];
+
   #TODO: glade?
   configureFlags = optional withGtk3 "--enable-gtk3";