diff --git a/pkgs/tools/system/plan9port/default.nix b/pkgs/tools/system/plan9port/default.nix
index 88c786e30b6e..d6c8833618cd 100644
--- a/pkgs/tools/system/plan9port/default.nix
+++ b/pkgs/tools/system/plan9port/default.nix
@@ -59,6 +59,7 @@ stdenv.mkDerivation {
     IOKit
     Metal
     QuartzCore
+    darwin.DarwinTools
   ]);
 
   builder = ./builder.sh;