diff --git a/pkgs/shells/rc-9front/default.nix b/pkgs/shells/rc-9front/default.nix
new file mode 100644
index 000000000000..9779e08885b8
--- /dev/null
+++ b/pkgs/shells/rc-9front/default.nix
@@ -0,0 +1,45 @@
+{
+lib
+, stdenv
+, fetchgit
+, byacc
+, installShellFiles
+}:
+
+stdenv.mkDerivation rec {
+  pname = "rc-9front";
+  version = "unstable-2022-11-01";
+
+  src = fetchgit {
+    url = "git://shithub.us/cinap_lenrek/rc";
+    rev = "69041639483e16392e3013491fcb382efd2b9374";
+    hash = "sha256-xc+EfC4bc9ZA97jCQ6CGCzeLGf+Hx3/syl090/x4ew4=";
+  };
+
+  strictDeps = true;
+  nativeBuildInputs = [ byacc installShellFiles ];
+  patches = [ ./path.patch ];
+
+  buildPhase = ''
+    make PREFIX=$out
+  '';
+
+  installPhase = ''
+    install -Dm755 -t $out/bin/ rc
+    installManPage rc.1
+    mkdir -p $out/lib
+    install -m644 rcmain.unix $out/lib/rcmain
+  '';
+
+  passthru.shellPath = "/bin/rc";
+
+  meta = with lib; {
+    description = "The 9front shell";
+    longDescription = "unix port of 9front rc";
+    homepage = "http://shithub.us/cinap_lenrek/rc/HEAD/info.html";
+    license = licenses.mit;
+    maintainers = with maintainers; [ moody ];
+    mainProgram = "rc";
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/shells/rc-9front/path.patch b/pkgs/shells/rc-9front/path.patch
new file mode 100644
index 000000000000..7deef2cebfcd
--- /dev/null
+++ b/pkgs/shells/rc-9front/path.patch
@@ -0,0 +1,13 @@
+diff --git a/rcmain.unix b/rcmain.unix
+index 7ccbe1b..691f493 100644
+--- a/rcmain.unix
++++ b/rcmain.unix
+@@ -13,7 +13,7 @@ if(~ $rcname ?.out) prompt=('broken! ' '	')
+ if(flag p) path=/bin
+ if not {
+ 	finit
+-	if(~ $#path 0) path=(. /bin /usr/bin /usr/local/bin)
++	if(~ $#path 0) path=`:{/usr/bin/env echo -n $PATH}
+ }
+ fn sigexit
+ if(! ~ $#cflag 0){
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 21b83d86d6d1..dd3f7b9dd4f6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12003,6 +12003,8 @@ with pkgs;
 
   rc = callPackage ../shells/rc { };
 
+  rc-9front = callPackage ../shells/rc-9front { };
+
   rcon = callPackage ../tools/networking/rcon { };
 
   rconc = callPackage ../tools/networking/rconc { };