diff --git a/pkgs/development/interpreters/xulrunner/default.nix b/pkgs/development/interpreters/xulrunner/default.nix
index e5c6397ff82f..d61b4e5f2f13 100644
--- a/pkgs/development/interpreters/xulrunner/default.nix
+++ b/pkgs/development/interpreters/xulrunner/default.nix
@@ -65,9 +65,9 @@ stdenv.mkDerivation rec {
 
   preConfigure =
     ''
+      configureScript=$(pwd)/configure
       mkdir ../objdir
       cd ../objdir
-      configureScript=../mozilla-release/configure
     '';
 
   meta = {