diff --git a/packages/sbatch-tui/default.nix b/packages/sbatch-tui/default.nix
index bc599b22..f5c839d5 100644
--- a/packages/sbatch-tui/default.nix
+++ b/packages/sbatch-tui/default.nix
@@ -1,13 +1,7 @@
-{
-  stdenv, lib, sbatchConfig ? null, substituteAll, runCommand,
-  cmake, pkg-config, ftxui, biu
-}:
-stdenv.mkDerivation
+{ stdenv, cmake, pkg-config, ftxui, biu }: stdenv.mkDerivation
 {
   name = "sbatch-tui";
   src = ./.;
-  preConfigure = lib.optionalString (sbatchConfig != null)
-    "cp ${substituteAll ({ src = ./src/device.cpp.template; } // sbatchConfig)} src/device.cpp";
   buildInputs = [ ftxui biu ];
   nativeBuildInputs = [ cmake pkg-config ];
 }
diff --git a/packages/sbatch-tui/src/main.cpp b/packages/sbatch-tui/src/main.cpp
index 55ee6bb2..e913ddb4 100644
--- a/packages/sbatch-tui/src/main.cpp
+++ b/packages/sbatch-tui/src/main.cpp
@@ -138,7 +138,8 @@ int main()
           state.job_name, state.output_file, state.vasp_version_entries[state.vasp_version_selected]
         );
     else state.submit_command =
-      "sbatch --ntasks={}\n--cpus-per-task={}\n--export=ALL,OMP_NUM_THREADS={}\n--hint=nomultithread\n--job-name='{}'\n"
+      "sbatch --ntasks={}\n--cpus-per-task={}\n"
+      "--export=ALL,OMP_NUM_THREADS={},OMP_STACKSIZE=512m\n--hint=nomultithread\n--job-name='{}'\n"
       "--output='{}'\n--wrap=\"vasp-intel srun --mpi=pmix vasp-{}\""_f
       (
         state.mpi_threads, state.openmp_threads, state.openmp_threads, state.job_name, state.output_file,