diff --git a/source/lhcb/tests/G4GammaToDiLeptonConversionTest/src/RunAction.cc b/source/lhcb/tests/G4GammaToDiLeptonConversionTest/src/RunAction.cc
index dd839d690cc9475cbae28a6edb375f7b5d6d8b40..aababa752e5d9676447eff559ad3c3a713cda887 100644
--- a/source/lhcb/tests/G4GammaToDiLeptonConversionTest/src/RunAction.cc
+++ b/source/lhcb/tests/G4GammaToDiLeptonConversionTest/src/RunAction.cc
@@ -90,10 +90,11 @@ void RunAction::BeginOfRunAction(const G4Run* aRun)
   G4int n = aRun->GetNumberOfEventToBeProcessed(); 
   G4String outDir = "G4GammaCVTestROOTFiles"; // *** The output directory name is hardwired! 
   // m.v. Workaround to keep the same file name, if not a problem for LHCbPR can be removed
-  G4String mat = "Al";
-  if(fMat->GetName() != "Aluminium") mat=fMat->GetName();
+  //G4String mat = "Al";
+  //if(fMat->GetName() != "Aluminium") mat=fMat->GetName();
   std::stringstream tmp;
-  tmp << outDir << "/TestEM6_" << mat << "_" << t/mm << "mm_" << e/GeV << "GeV_" << n << ".root";
+  //tmp << outDir << "/TestEM6_" << mat << "_" << t/mm << "mm_" << e/GeV << "GeV_" << n << ".root";
+  tmp << outDir << "/TestEM6_Al_" << t/mm << "mm_" << e/GeV << "GeV_" << n << ".root";
   G4String fileName = tmp.str();
   fAnalysis->OpenFile(fileName);