diff --git a/src/gpu/VirtualFluids_GPU/PreCollisionInteractor/Probes/Probe.cu b/src/gpu/VirtualFluids_GPU/PreCollisionInteractor/Probes/Probe.cu
index 44f76220f77db01d63a153cccec40bad7cca5449..03c18f5a9a2133bec244053113209abc70469a2a 100644
--- a/src/gpu/VirtualFluids_GPU/PreCollisionInteractor/Probes/Probe.cu
+++ b/src/gpu/VirtualFluids_GPU/PreCollisionInteractor/Probes/Probe.cu
@@ -379,9 +379,10 @@ void Probe::writeParallelFile(Parameter* para, int t)
     int t_write = this->fileNameLU ? t: t/this->tOut; 
     std::string filename = this->outputPath + "/" + this->makeParallelFileName(para->getMyProcessID(), t_write);
 
+    std::vector<std::string> nodedatanames = this->getVarNames();
     std::vector<std::string> cellNames;
 
-    getWriter()->writeParallelFile(filename, fileNamesForCollectionFile, varNames, cellNames);
+    getWriter()->writeParallelFile(filename, fileNamesForCollectionFile, nodedatanames, cellNames);
 
     this->fileNamesForCollectionFile.clear();
 }
diff --git a/src/gpu/VirtualFluids_GPU/PreCollisionInteractor/Probes/Probe.h b/src/gpu/VirtualFluids_GPU/PreCollisionInteractor/Probes/Probe.h
index cc67a5535f76bba4be5c32604a684087b96725fb..aaf294e87d23c64707a16692b9337d6e9ff9c896 100644
--- a/src/gpu/VirtualFluids_GPU/PreCollisionInteractor/Probes/Probe.h
+++ b/src/gpu/VirtualFluids_GPU/PreCollisionInteractor/Probes/Probe.h
@@ -208,7 +208,6 @@ protected:
     bool hasDeviceQuantityArray;    //!> flag initiating memCopy in Point and PlaneProbe. Other probes are only based on thrust reduce functions and therefore dont need explict memCopy in interact()
     bool outputTimeSeries;          //!> flag initiating overwrite of output vtk files, skipping collection files and limiting the length of the written data to the current time step (currently only used for WallModelProbe)
     std::vector<std::string> fileNamesForCollectionFile;
-    std::vector<std::string> varNames;
 
     bool fileNameLU = true; //!> if true, written file name contains time step in LU, else is the number of the written probe files