diff --git a/src/basics/writer/WbWriterVtkXmlBinary.cpp b/src/basics/writer/WbWriterVtkXmlBinary.cpp
index cedcda64b5893abe3f8f58e5e48d5948e897103d..675fcb0d95dbfcb40b34b277de3afc54f9ac4601 100644
--- a/src/basics/writer/WbWriterVtkXmlBinary.cpp
+++ b/src/basics/writer/WbWriterVtkXmlBinary.cpp
@@ -39,9 +39,8 @@
 
 using namespace std;
 
-ofstream createFileStream(const std::string& vtkFilename)
+ofstream createFileStream(const std::string &vtkFilename)
 {
-
     ofstream outputFileStream(vtkFilename.c_str(), ios::out | ios::binary);
     if (!outputFileStream) {
         outputFileStream.clear(); // flags ruecksetzen (ansonsten liefert utern if(!out) weiterhin true!!!
@@ -50,8 +49,7 @@ ofstream createFileStream(const std::string& vtkFilename)
             UbSystem::makeDirectory(path);
             outputFileStream.open(vtkFilename.c_str(), ios::out | ios::binary);
         }
-        if (!outputFileStream)
-            throw UbException(UB_EXARGS, "couldn't open file " + vtkFilename);
+        if (!outputFileStream) throw UbException(UB_EXARGS, "couldn't open file " + vtkFilename);
     }
     return outputFileStream;
 }
@@ -67,8 +65,7 @@ void addCollectionDatasetsForTimeStep(std::ofstream &outputFileStream, const vec
 {
     int group = 0, part = 0;
     for (size_t i = 0; i < filenames.size(); i++) {
-        outputFileStream << "       <DataSet timestep=\"" << timeStep << "\" group=\"" << group << "\" part=\"" << part
-                         << "\" file=\"" << filenames[i] << "\"/>" << endl;
+        outputFileStream << "       <DataSet timestep=\"" << timeStep << "\" group=\"" << group << "\" part=\"" << part << "\" file=\"" << filenames[i] << "\"/>" << endl;
         if (separateGroups)
             group++;
         else
@@ -110,6 +107,7 @@ string WbWriterVtkXmlBinary::writeCollection(const string &filename, const vecto
     finalizeCollectionFile(out);
     return vtkFilename;
 }
+
 /*===============================================================================*/
 string WbWriterVtkXmlBinary::addFilesToCollection(const string &filename, const vector<string> &filenames,
                                                   const double &timeStep, const bool &separateGroups) const
diff --git a/src/gpu/VirtualFluids_GPU/Output/FileWriter.cpp b/src/gpu/VirtualFluids_GPU/Output/FileWriter.cpp
index 7f6f5cbb64ed1c3ff7015e81de142fe786da1912..4178ba133ca590c91841163bc4eb589f559a718f 100644
--- a/src/gpu/VirtualFluids_GPU/Output/FileWriter.cpp
+++ b/src/gpu/VirtualFluids_GPU/Output/FileWriter.cpp
@@ -197,10 +197,10 @@ std::string VIRTUALFLUIDS_GPU_EXPORT FileWriter::writeCollectionFileMedian(std::
     return pFileName;
 }
 
-std::string VIRTUALFLUIDS_GPU_EXPORT FileWriter::writePvdCollectionFileForTimeSeries( const Parameter &para)
+std::string VIRTUALFLUIDS_GPU_EXPORT FileWriter::writePvdCollectionFileForTimeSeries(const Parameter &para)
 {
     std::string filename = makePvdCollectionFileName(para.getFName(), para.getMyProcessID());
-    std::string pvdFileName= WbWriterVtkXmlBinary::getInstance()->writeCollectionForTimeSeries(filename, this->fileNamesForCollectionFileTimeSeries, false);
+    std::string pvdFileName = WbWriterVtkXmlBinary::getInstance()->writeCollectionForTimeSeries(filename, this->fileNamesForCollectionFileTimeSeries, false);
     return pvdFileName;
 }
 
diff --git a/src/gpu/VirtualFluids_GPU/Output/FileWriter.h b/src/gpu/VirtualFluids_GPU/Output/FileWriter.h
index 4353ed293872b2018bde928c26b007a48a24cedd..c30e33b171563a612e224fd08fd1e4ee68b8fea8 100644
--- a/src/gpu/VirtualFluids_GPU/Output/FileWriter.h
+++ b/src/gpu/VirtualFluids_GPU/Output/FileWriter.h
@@ -29,7 +29,7 @@ private:
 
     std::string writeCollectionFileMedian( std::shared_ptr<Parameter> para, unsigned int timestep );
 
-    std::string writePvdCollectionFileForTimeSeries( const Parameter &para);
+    std::string writePvdCollectionFileForTimeSeries(const Parameter &para);
 
     std::vector<std::string> getNodeDataNames(std::shared_ptr<Parameter> para);
     std::vector<std::string> getMedianNodeDataNames(std::shared_ptr<Parameter> para);