diff --git a/Modules/PhotoacousticsLib/src/Generator/mitkPASimulationBatchGenerator.cpp b/Modules/PhotoacousticsLib/src/Generator/mitkPASimulationBatchGenerator.cpp
index 521d2d2fbf..abd05250e0 100644
--- a/Modules/PhotoacousticsLib/src/Generator/mitkPASimulationBatchGenerator.cpp
+++ b/Modules/PhotoacousticsLib/src/Generator/mitkPASimulationBatchGenerator.cpp
@@ -1,91 +1,91 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include "mitkPASimulationBatchGenerator.h"
 #include <mitkIOUtil.h>
 
 #include <iomanip>
 
-#ifdef __linux__
+#ifndef _WIN32
 #include <sys/types.h>
 #include <sys/stat.h>
 #else
 #include <direct.h>
 #endif
 
 mitk::pa::SimulationBatchGenerator::SimulationBatchGenerator()
 {
 }
 
 mitk::pa::SimulationBatchGenerator::~SimulationBatchGenerator()
 {
 }
 
 std::string mitk::pa::SimulationBatchGenerator::GetVolumeNumber(
   SimulationBatchGeneratorParameters::Pointer parameters)
 {
   std::string volumeNumber = std::to_string(parameters->GetVolumeIndex());
   volumeNumber = std::string((3 - volumeNumber.length()), '0') + volumeNumber;
   return volumeNumber;
 }
 
 std::string mitk::pa::SimulationBatchGenerator::GetOutputFolderName(
   SimulationBatchGeneratorParameters::Pointer parameters)
 {
   return (parameters->GetTissueName() + GetVolumeNumber(parameters));
 }
 
 std::string mitk::pa::SimulationBatchGenerator::CreateBatchSimulationString(
   SimulationBatchGeneratorParameters::Pointer parameters)
 {
   std::string outputFolderName = GetOutputFolderName(parameters);
   std::string savePath = outputFolderName + ".nrrd";
   std::stringstream batchstring;
   for (double d = parameters->GetYOffsetLowerThresholdInCentimeters();
     d <= parameters->GetYOffsetUpperThresholdInCentimeters() + 1e-5;
     d += parameters->GetYOffsetStepInCentimeters())
   {
     batchstring << parameters->GetBinaryPath() << " -p PROBE_DESIGN.xml -i " << savePath << " -o " << outputFolderName << "/"
       << parameters->GetTissueName() << GetVolumeNumber(parameters) << "_yo" << round(d * 100) / 100 << ".nrrd" << " -yo " << round(d * 100) / 100 << " -n "
       << parameters->GetNumberOfPhotons() << "\n";
   }
   return batchstring.str();
 }
 
 void mitk::pa::SimulationBatchGenerator::WriteBatchFileAndSaveTissueVolume(
   SimulationBatchGeneratorParameters::Pointer parameters,
   mitk::Image::Pointer tissueVolume)
 {
   std::string outputFolderName = parameters->GetNrrdFilePath() + GetOutputFolderName(parameters);
   std::string savePath = outputFolderName + ".nrrd";
   mitk::IOUtil::Save(tissueVolume, savePath);
 
   std::string filenameAllSimulation = "simulate_all";
-#ifdef __linux__
+#ifndef _WIN32
   mkdir(outputFolderName.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
   filenameAllSimulation += ".sh";
 #else
   mkdir(outputFolderName.c_str());
   filenameAllSimulation += ".bat";
 #endif
 
   std::ofstream fileAllSimulation(parameters->GetNrrdFilePath() + "/" + filenameAllSimulation, std::ios_base::app);
   if (fileAllSimulation.is_open())
   {
     fileAllSimulation << CreateBatchSimulationString(parameters);
     fileAllSimulation.close();
   }
 }