diff --git a/pkgs/by-name/wi/wipe/package.nix b/pkgs/by-name/wi/wipe/package.nix
index d37739f691da..3befb5541350 100644
--- a/pkgs/by-name/wi/wipe/package.nix
+++ b/pkgs/by-name/wi/wipe/package.nix
@@ -16,6 +16,10 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook ];
 
+  # fdatasync is undocumented on darwin with no header file which breaks the build.
+  # use fsync instead.
+  configureFlags = lib.optional stdenv.hostPlatform.isDarwin "ac_cv_func_fdatasync=no";
+
   patches = [ ./fix-install.patch ];
 
   meta = with lib; {