diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index f8c6dd2a2470..b797f631b8e7 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -5,8 +5,8 @@
 , libtiff, glib, icu
 , mysql, postgresql, sqlite
 , perl, coreutils, libXi
-, buildMultimedia ? true, alsaLib, gstreamer, gst_plugins_base
-, buildWebkit ? true
+, buildMultimedia ? stdenv.isLinux, alsaLib, gstreamer, gst_plugins_base
+, buildWebkit ? stdenv.isLinux
 , flashplayerFix ? false, gdk_pixbuf
 , gtkStyle ? false, libgnomeui, gtk, GConf, gnome_vfs
 , developerBuild ? false
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6d56c1ff8af2..e7e96565728e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5069,6 +5069,7 @@ let
   qt48 = callPackage ../development/libraries/qt-4.x/4.8 {
     # GNOME dependencies are not used unless gtkStyle == true
     inherit (pkgs.gnome) libgnomeui GConf gnome_vfs;
+    cups = if stdenv.isLinux then cups else null;
   };
 
   qt48Full = callPackage ../development/libraries/qt-4.x/4.8 {