diff --git a/pkgs/applications/networking/browsers/firefox/3.5.nix b/pkgs/applications/networking/browsers/firefox/3.5.nix
index 5c2d6343d85..adea3bbd650 100644
--- a/pkgs/applications/networking/browsers/firefox/3.5.nix
+++ b/pkgs/applications/networking/browsers/firefox/3.5.nix
@@ -31,7 +31,7 @@ rec {
       "--with-system-zlib"
       "--with-system-bz2"
       "--with-system-nspr"
-      "--with-system-nss"
+      #"--with-system-nss"
       # "--with-system-png" # <-- "--with-system-png won't work because the system's libpng doesn't have APNG support"
       "--enable-system-cairo"
       #"--enable-system-sqlite" # <-- this seems to be discouraged
@@ -49,7 +49,7 @@ rec {
       [ pkgconfig gtk perl zip libIDL libjpeg libpng zlib cairo bzip2
         python dbus dbus_glib pango freetype fontconfig xlibs.libXi
         xlibs.libX11 xlibs.libXrender xlibs.libXft xlibs.libXt file
-        alsaLib nspr nss
+        alsaLib nspr /* nss */
       ];
 
     configureFlags =