diff --git a/pkgs/by-name/nt/ntttcp/package.nix b/pkgs/by-name/nt/ntttcp/package.nix
index b70b308b26b2..1eb94fec9dca 100644
--- a/pkgs/by-name/nt/ntttcp/package.nix
+++ b/pkgs/by-name/nt/ntttcp/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -15,6 +16,13 @@ stdenv.mkDerivation (finalAttrs: {
     sha256 = "sha256-6O7qSrR6EFr7k9lHQHGs/scZxJJ5DBNDxlSL5hzlRf4=";
   };
 
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/microsoft/ntttcp-for-linux/commit/e18597c05e3d4b439849ce0e149cb701ff5a36c2.patch";
+      hash = "sha256-FOgjKseMDL1O1f+lgmmreGus4YRTZMwIJinh/7MT2Xk=";
+    })
+  ];
+
   preBuild = "cd src";
 
   installPhase = ''