diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 295938ddd56c..3cc80bf3b640 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -14082,6 +14082,12 @@
     githubId = 5978566;
     name = "Yves-Stan Le Cornec";
   };
+  ylh = {
+    email = "nixpkgs@ylh.io";
+    github = "ylh";
+    githubId = 9125590;
+    name = "Yestin L. Harrison";
+  };
   ylwghst = {
     email = "ylwghst@onionmail.info";
     github = "ylwghst";
diff --git a/pkgs/tools/system/plan9port/default.nix b/pkgs/tools/system/plan9port/default.nix
index f165bfca4252..1d64e3b93410 100644
--- a/pkgs/tools/system/plan9port/default.nix
+++ b/pkgs/tools/system/plan9port/default.nix
@@ -1,24 +1,17 @@
-{ lib
-, stdenv
-, fetchFromGitHub
-, darwin ? null
-, fontconfig ? null
-, freetype ? null
-, libX11
-, libXext ? null
-, libXt ? null
-, perl ? null  # For building web manuals
+{ lib, stdenv, fetchFromGitHub
+, fontconfig, freetype, libX11, libXext, libXt, xorgproto
+, Carbon, Cocoa, IOKit, Metal, QuartzCore, DarwinTools
+, perl # For building web manuals
 , which
-, xorgproto ? null
 }:
 
-stdenv.mkDerivation {
+stdenv.mkDerivation rec {
   pname = "plan9port";
   version = "2021-10-19";
 
-  src =  fetchFromGitHub {
+  src = fetchFromGitHub {
     owner = "9fans";
-    repo = "plan9port";
+    repo = pname;
     rev = "d0d440860f2000a1560abb3f593cdc325fcead4c";
     hash = "sha256-2aYXqPGwrReyFPrLDtEjgQd/RJjpOfI3ge/tDocYpRQ=";
   };
@@ -44,22 +37,20 @@ stdenv.mkDerivation {
       --replace "case Kcmd+'v':" "case 0x16: case Kcmd+'v':"
   '';
 
-  buildInputs = [
-    perl
-  ] ++ lib.optionals (!stdenv.isDarwin) [
+  buildInputs = [ perl ] ++ (if !stdenv.isDarwin then [
     fontconfig
-    freetype # fontsrv wants ft2build.h provides system fonts for acme and sam
+    freetype # fontsrv wants ft2build.h
     libX11
     libXext
     libXt
     xorgproto
-  ] ++ lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [
+  ] else [
     Carbon
     Cocoa
     IOKit
     Metal
     QuartzCore
-    darwin.DarwinTools
+    DarwinTools
   ]);
 
   builder = ./builder.sh;
@@ -100,6 +91,7 @@ stdenv.mkDerivation {
       ehmry
       ftrvxmtrx
       kovirobi
+      ylh
     ];
     mainProgram = "9";
     platforms = platforms.unix;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7820cc6b4d0e..e449c34634bd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9703,7 +9703,10 @@ with pkgs;
 
   plantuml-server = callPackage ../tools/misc/plantuml-server { };
 
-  plan9port = callPackage ../tools/system/plan9port { };
+  plan9port = callPackage ../tools/system/plan9port {
+    inherit (darwin.apple_sdk.frameworks) Carbon Cocoa IOKit Metal QuartzCore;
+    inherit (darwin) DarwinTools;
+  };
 
   platformioPackages = dontRecurseIntoAttrs (callPackage ../development/embedded/platformio { });
   platformio = platformioPackages.platformio-chrootenv;