diff --git a/pkgs/applications/networking/browsers/firefox/builder.sh b/pkgs/applications/networking/browsers/firefox/builder.sh
index b025a71d425..bc484e9c7aa 100644
--- a/pkgs/applications/networking/browsers/firefox/builder.sh
+++ b/pkgs/applications/networking/browsers/firefox/builder.sh
@@ -26,7 +26,7 @@ postInstall() {
     strip -S $out/lib/*/* || true
 
     # We don't need this (do we?)
-    rm -rf $out/include
+#    rm -rf $out/include
 
     # This fixes starting Firefox when there already is a running
     # instance.  The `firefox' wrapper script actually expects to be
diff --git a/pkgs/applications/networking/browsers/firefox/default.nix b/pkgs/applications/networking/browsers/firefox/default.nix
index f100b270f94..3b160021c88 100644
--- a/pkgs/applications/networking/browsers/firefox/default.nix
+++ b/pkgs/applications/networking/browsers/firefox/default.nix
@@ -2,7 +2,7 @@
 
 # !!! assert libIDL.glib == gtk.glib;
 
-stdenv.mkDerivation {
+(stdenv.mkDerivation {
   name = "firefox-1.0pre-PR-0.10.1";
 
   builder = ./builder.sh;
@@ -14,4 +14,4 @@ stdenv.mkDerivation {
   buildInputs = [pkgconfig gtk perl zip libIDL libXi];
 
   patches = [./writable-copies.patch];
-}
+}) // {inherit gtk;}
\ No newline at end of file