diff --git a/pkgs/misc/lilypond/default.nix b/pkgs/misc/lilypond/default.nix
index 15481d74598..f312cce19d7 100644
--- a/pkgs/misc/lilypond/default.nix
+++ b/pkgs/misc/lilypond/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec{
       fontforge help2man groff makeWrapper t1utils
     ];
 
-  enableParallelBuilding = true;
+  #enableParallelBuilding = true; # fatal error: parser.hh: No such file or directory
 
   meta = with stdenv.lib; {
     description = "Music typesetting system";