diff --git a/packages/netgen/default.nix b/packages/netgen/default.nix
index 7a82e08..f25d717 100644
--- a/packages/netgen/default.nix
+++ b/packages/netgen/default.nix
@@ -1,77 +1,74 @@
 {
   bonLib,
   stdenv,
-  lib,
   pkgs,
-  version ? "6.2.2402",
-  sha256 ? "sha256-o3cj5k2VtYiGcs9Z9FyfwtOpDlZZlcO3kRgBSer6KAw=",
+  version ? "6.2.2404",
+  sha256 ? "sha256-SZPZT49BqUzssPcOo/5yAkjqAHDErC86xCUFL88Iew4=",
   ...
-}: let
-  pkg = stdenv.mkDerivation {
-    pname = "netgen";
-    inherit version;
+}:
+stdenv.mkDerivation {
+  pname = "netgen";
+  inherit version;
 
-    src = pkgs.fetchFromGitHub {
-      owner = "NGSolve";
-      repo = "netgen";
-      rev = "v${version}";
-      sha256 = sha256;
-    };
-
-    patches = [
-      ./regex-version.patch
-    ];
-
-    cmakeFlags = [
-      "-G Ninja"
-      "-D CMAKE_BUILD_TYPE=Release"
-      "-D USE_NATIVE_ARCH:BOOL=OFF"
-      "-D USE_OCC:BOOL=ON"
-      "-D USE_PYTHON:BOOL=ON"
-      "-D USE_GUI:BOOL=ON"
-      "-D USE_MPI:BOOL=ON"
-      "-D USE_SUPERBUILD:BOOL=OFF"
-      "-D PREFER_SYSTEM_PYBIND11:BOOL=ON"
-    ];
-
-    nativeBuildInputs = with pkgs; [
-      cmake
-      ninja
-      git
-      (python3.withPackages (ps:
-        with ps; [
-          pybind11
-          mpi4py
-        ]))
-    ];
-
-    buildInputs = with pkgs; [
-      zlib
-      tcl
-      tk
-      mpi
-      opencascade-occt
-      libGL
-      libGLU
-      xorg.libXmu
-      metis
-    ];
-
-    passthru = {
-      shellHook = with pkgs; ''
-        export PYTHONPATH="${python3}/${python3.sitePackages}"
-        export PYTHONPATH="$PYTHONPATH:${pkg}/${python3.sitePackages}"
-      '';
-    };
-
-    meta = with pkgs.lib; {
-      homepage = "https://github.com/NGSolve/netgen";
-      description = "NETGEN is an automatic 3d tetrahedral mesh generator";
-      license = licenses.lgpl21Only;
-      platforms = platforms.linux;
-      maintainers = with bonLib.maintainers; [L-Nafaryus];
-      broken = true;
-    };
+  src = pkgs.fetchFromGitHub {
+    owner = "NGSolve";
+    repo = "netgen";
+    rev = "v${version}";
+    sha256 = sha256;
   };
-in
-  pkg
+
+  patches = [
+    ./regex-version.patch
+  ];
+
+  cmakeFlags = [
+    "-G Ninja"
+    "-D CMAKE_BUILD_TYPE=Release"
+    "-D USE_NATIVE_ARCH:BOOL=OFF"
+    "-D USE_OCC:BOOL=ON"
+    "-D USE_PYTHON:BOOL=ON"
+    "-D USE_GUI:BOOL=ON"
+    "-D USE_MPI:BOOL=ON"
+    "-D USE_SUPERBUILD:BOOL=OFF"
+    "-D PREFER_SYSTEM_PYBIND11:BOOL=ON"
+  ];
+
+  nativeBuildInputs = with pkgs; [
+    cmake
+    ninja
+    git
+    (python3.withPackages (ps:
+      with ps; [
+        pybind11
+        mpi4py
+      ]))
+  ];
+
+  buildInputs = with pkgs; [
+    zlib
+    tcl
+    tk
+    mpi
+    opencascade-occt
+    libGL
+    libGLU
+    xorg.libXmu
+    metis
+  ];
+
+  passthru = {
+    shellHook = with pkgs; ''
+      export PYTHONPATH="${python3}/${python3.sitePackages}"
+      export PYTHONPATH="$PYTHONPATH:${pkg}/${python3.sitePackages}"
+    '';
+  };
+
+  meta = with pkgs.lib; {
+    homepage = "https://github.com/NGSolve/netgen";
+    description = "NETGEN is an automatic 3d tetrahedral mesh generator";
+    license = licenses.lgpl21Only;
+    platforms = platforms.linux;
+    maintainers = with bonLib.maintainers; [L-Nafaryus];
+    broken = false;
+  };
+}