diff --git a/pkgs/tools/text/groff/default.nix b/pkgs/tools/text/groff/default.nix
index cb57fb2bb07f..575b89ba318a 100644
--- a/pkgs/tools/text/groff/default.nix
+++ b/pkgs/tools/text/groff/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "man" "doc" "info" "perl" ];
 
-  enableParallelBuilding = false;
+  enableParallelBuilding = true;
 
   patches = [
     ./0001-Fix-cross-compilation-by-looking-for-ar.patch