diff --git a/pkgs/tools/video/untrunc-anthwlock/default.nix b/pkgs/tools/video/untrunc-anthwlock/default.nix
new file mode 100644
index 00000000000..12695285093
--- /dev/null
+++ b/pkgs/tools/video/untrunc-anthwlock/default.nix
@@ -0,0 +1,36 @@
+{ stdenv, fetchFromGitHub, ffmpeg, libui }:
+
+stdenv.mkDerivation {
+  pname = "untrunc-anthwlock";
+  version = "2020.07.18";
+
+  src = fetchFromGitHub {
+    owner = "anthwlock";
+    repo = "untrunc";
+    rev = "a0bf2e8642ecdb7af5897ed9b0dd30a7d03520ae";
+    sha256 = "14i2lq68q990hnm2kkfamlsi67bcml85zl8yjsyxc5h8ncc2f3dp";
+  };
+
+  
+  buildInputs = [ ffmpeg libui ];
+
+  postBuild = ''
+    make untrunc-gui
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -D -t $out/bin untrunc untrunc-gui
+    runHook postInstall
+  '';
+
+  enableParallelBuilding = true;
+
+  meta = with stdenv.lib; {
+    description = "Restore a truncated mp4/mov (improved version of ponchio/untrunc)";
+    homepage = "https://github.com/anthwlock/untrunc";
+    license = licenses.gpl2;
+    platforms = platforms.all;
+    maintainers = [ maintainers.romildo ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1e61e8e51b7..a11d03ebde7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7372,6 +7372,8 @@ in
 
   untrunc = callPackage ../tools/video/untrunc { };
 
+  untrunc-anthwlock = callPackage ../tools/video/untrunc-anthwlock { };
+
   up = callPackage ../tools/misc/up { };
 
   upx = callPackage ../tools/compression/upx { };