diff --git a/pkgs/development/libraries/adns/default.nix b/pkgs/development/libraries/adns/default.nix
index 5f29e0411284..4b929cdb7f0f 100644
--- a/pkgs/development/libraries/adns/default.nix
+++ b/pkgs/development/libraries/adns/default.nix
@@ -18,6 +18,10 @@ stdenv.mkDerivation rec {
   preConfigure =
     lib.optionalString stdenv.isDarwin "sed -i -e 's|-Wl,-soname=$(SHLIBSONAME)||' configure";
 
+  # Autogenerated headers miss interdependencies in Makefile, fail parallel build:
+  #  https://debbugs.gnu.org/cgi/bugreport.cgi?bug=51329
+  enableParallelBuilding = false;
+
   # https://www.mail-archive.com/nix-dev@cs.uu.nl/msg01347.html for details.
   doCheck = false;