diff --git a/pkgs/applications/networking/instant-messengers/ratox/default.nix b/pkgs/applications/networking/instant-messengers/ratox/default.nix
new file mode 100644
index 000000000000..1fb7ad8b9552
--- /dev/null
+++ b/pkgs/applications/networking/instant-messengers/ratox/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, fetchgit, libtoxcore
+, conf ? null }:
+
+with stdenv.lib;
+
+stdenv.mkDerivation rec {
+  name = "ratox-dev-20150107";
+
+  src = fetchgit {
+    url = "git://git.2f30.org/ratox";
+    rev = "8be76e4cc829d86b8e1cae43a0d932600d6ff9fb";
+    sha256 = "7fe492de3e69a08f9c1bb59a319d0e410905f06514abe99b4d4fe5c899650448";
+  };
+
+  buildInputs = [ libtoxcore ];
+
+  configFile = optionalString (conf!=null) (builtins.toFile "config.h" conf);
+  preConfigure = optionalString (conf!=null) "cp ${configFile} config.def.h";
+
+  preBuild = "makeFlags=PREFIX=$out";
+
+  meta =
+    { description = "FIFO based tox client";
+      homepage = http://ratox.2f30.org/;
+      license = licenses.isc;
+      maintainers = with maintainers; [ emery ];
+      platforms = platforms.linux;
+    };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c1f8ff82253f..b935e9fc3ec9 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11066,6 +11066,8 @@ let
 
   rapidsvn = callPackage ../applications/version-management/rapidsvn { };
 
+  ratox = callPackage ../applications/networking/instant-messengers/ratox { };
+
   ratpoison = callPackage ../applications/window-managers/ratpoison { };
 
   rawtherapee = callPackage ../applications/graphics/rawtherapee {