diff --git a/pkgs/tools/networking/nttcp/default.nix b/pkgs/tools/networking/nttcp/default.nix
new file mode 100644
index 000000000000..8979c5fd2acf
--- /dev/null
+++ b/pkgs/tools/networking/nttcp/default.nix
@@ -0,0 +1,27 @@
+{ lib, stdenv, fetchurl, ... }:
+
+stdenv.mkDerivation rec {
+  pname = "nttcp";
+  version = "1.47";
+
+  src = fetchurl {
+    url = "http://deb.debian.org/debian/pool/non-free/n/nttcp/nttcp_${version}.orig.tar.gz";
+    sha256 = "1bl17dsd53lbpjdqfmpgpd7dms6d2w3scpg7ki7qgfjhs8sarq50";
+  };
+
+  patches = [
+    # Fix format string compiler error
+    ./format-security.patch
+  ];
+
+  makeFlags = [
+    "prefix=${placeholder "out"}"
+  ];
+
+  meta = with lib; {
+    description = "New test TCP program";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ angustrau ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/tools/networking/nttcp/format-security.patch b/pkgs/tools/networking/nttcp/format-security.patch
new file mode 100644
index 000000000000..f0a604577686
--- /dev/null
+++ b/pkgs/tools/networking/nttcp/format-security.patch
@@ -0,0 +1,12 @@
+diff -Nur -x '*.orig' -x '*~' nttcp-1.47/nttcp.c nttcp-1.47.new/nttcp.c
+--- nttcp-1.47/nttcp.c	2000-12-18 05:16:54.000000000 -0500
++++ nttcp-1.47.new/nttcp.c	2012-01-30 23:44:02.260501225 -0500
+@@ -372,7 +372,7 @@
+ #define Message(x)	fMessage(stdout, x)
+ 
+ void Exit(char *s, int ret) {
+-    syslog(LOG_DEBUG, s);
++    syslog(LOG_DEBUG, "%s", s);
+     fMessage(stderr,s);
+     exit(ret);
+ }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 066abf31ea47..3f4f0160a4af 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7519,6 +7519,8 @@ in
 
   numlockx = callPackage ../tools/X11/numlockx { };
 
+  nttcp = callPackage ../tools/networking/nttcp { };
+
   nuttcp = callPackage ../tools/networking/nuttcp { };
 
   nssmdns = callPackage ../tools/networking/nss-mdns { };