diff --git a/pkgs/games/dhewm3/default.nix b/pkgs/games/dhewm3/default.nix
index 38b9f35e488..5509c3db1e4 100644
--- a/pkgs/games/dhewm3/default.nix
+++ b/pkgs/games/dhewm3/default.nix
@@ -17,6 +17,8 @@ stdenv.mkDerivation rec {
   buildInputs = [ unzip cmake SDL mesa zlib libjpeg libogg libvorbis openalSoft
     curl ];
 
+  enableParallelBuilding = true;
+
   meta = {
     homepage = https://github.com/dhewm/dhewm3;
     description = "Doom 3 port to SDL";