diff --git a/Common/Tools/Multiplicity/multGlauberNBDFitter.cxx b/Common/Tools/Multiplicity/multGlauberNBDFitter.cxx
index 112983de9ea..324e6867ad1 100644
--- a/Common/Tools/Multiplicity/multGlauberNBDFitter.cxx
+++ b/Common/Tools/Multiplicity/multGlauberNBDFitter.cxx
@@ -369,7 +369,7 @@ Double_t multGlauberNBDFitter::ContinuousNBD(Double_t n, Double_t mu, Double_t k
   return F;
 }
 
-void multGlauberNBDFitter::CalculateAvNpNc(TProfile* lNPartProf, TProfile* lNCollProf)
+void multGlauberNBDFitter::CalculateAvNpNc(TProfile* lNPartProf, TProfile* lNCollProf, TH2F* lNPart2DPlot, TH2F* lNColl2DPlot, TH1F *hPercentileMap)
 {
   cout << "Calculating <Npart>, <Ncoll> in centrality bins..." << endl;
 
@@ -381,6 +381,7 @@ void multGlauberNBDFitter::CalculateAvNpNc(TProfile* lNPartProf, TProfile* lNCol
   //______________________________________________________
   Double_t lLoRange, lHiRange;
   fGlauberNBD->GetRange(lLoRange, lHiRange);
+  // bypass to zero
   for (int ibin = 0; ibin < fNNpNcPairs; ibin++) {
     if (ibin % 2000 == 0)
       cout << "At NpNc pair #" << ibin << " of " << fNNpNcPairs << "..." << endl;
@@ -403,8 +404,15 @@ void multGlauberNBDFitter::CalculateAvNpNc(TProfile* lNPartProf, TProfile* lNCol
       if (lMultValue > 1e-6)
         lMult = fAncestorMode != 2 ? fNBD->Eval(lMultValue) : ContinuousNBD(lMultValue, lThisMu, lThisk);
       Double_t lProbability = lNancestorCount * lMult;
-      lNPartProf->Fill(lMultValue, fNpart[ibin], lProbability);
-      lNCollProf->Fill(lMultValue, fNcoll[ibin], lProbability);
+      Double_t lMultValueToFill = lMultValue;
+      if(hPercentileMap) 
+        lMultValueToFill = hPercentileMap->GetBinContent(hPercentileMap->FindBin(lMultValue));
+      lNPartProf->Fill(lMultValueToFill, fNpart[ibin], lProbability);
+      lNCollProf->Fill(lMultValueToFill, fNcoll[ibin], lProbability);
+      if(lNPart2DPlot) 
+        lNPart2DPlot->Fill(lMultValueToFill, fNpart[ibin], lProbability);
+      if(lNColl2DPlot) 
+        lNColl2DPlot->Fill(lMultValueToFill, fNcoll[ibin], lProbability);
     }
   }
 }
diff --git a/Common/Tools/Multiplicity/multGlauberNBDFitter.h b/Common/Tools/Multiplicity/multGlauberNBDFitter.h
index ed93c49fc6b..356a37c61bf 100644
--- a/Common/Tools/Multiplicity/multGlauberNBDFitter.h
+++ b/Common/Tools/Multiplicity/multGlauberNBDFitter.h
@@ -75,7 +75,7 @@ class multGlauberNBDFitter : public TNamed
   Double_t ContinuousNBD(Double_t n, Double_t mu, Double_t k);
 
   //For estimating Npart, Ncoll in multiplicity bins
-  void CalculateAvNpNc(TProfile* lNPartProf, TProfile* lNCollProf);
+  void CalculateAvNpNc(TProfile* lNPartProf, TProfile* lNCollProf, TH2F* lNPart2DPlot, TH2F* lNColl2DPlot, TH1F *hPercentileMap);
 
   //void    Print(Option_t *option="") const;