diff --git a/Modules/GLO/src/VertexingQcTask.cxx b/Modules/GLO/src/VertexingQcTask.cxx
index 00f9880e8c..bfc1fcc353 100644
--- a/Modules/GLO/src/VertexingQcTask.cxx
+++ b/Modules/GLO/src/VertexingQcTask.cxx
@@ -209,9 +209,7 @@ void VertexingQcTask::monitorData(o2::framework::ProcessingContext& ctx)
     auto timeUnc = pvertices[i].getTimeStamp().getTimeStampError();
     ILOG(Debug, Support) << "x = " << x << ", y = " << y << ", z = " << z << ", nContributors = " << nContr << ", timeUnc = " << timeUnc << ENDM;
     mX->Fill(x);
-    mX->Fit("fX", "Q", "", mX->GetMean() - mX->GetRMS(), mX->GetMean() + mX->GetRMS());
     mY->Fill(y);
-    mY->Fit("fY", "Q", "", mY->GetMean() - mY->GetRMS(), mY->GetMean() + mY->GetRMS());
     mZ->Fill(z);
     mNContributors->Fill(nContr);
     mTimeUncVsNContrib->Fill(nContr, timeUnc);
@@ -233,6 +231,8 @@ void VertexingQcTask::monitorData(o2::framework::ProcessingContext& ctx)
       mVtxPullsZVsMult->Fill(mult, (vtMC[2] - pvertices[i].getZ()) / std::sqrt(pvertices[i].getSigmaZ2()));
     }
   }
+  mX->Fit("fX", "Q", "", mX->GetMean() - mX->GetRMS(), mX->GetMean() + mX->GetRMS());
+  mY->Fit("fY", "Q", "", mY->GetMean() - mY->GetRMS(), mY->GetMean() + mY->GetRMS());
 }
 
 void VertexingQcTask::endOfCycle()
diff --git a/Modules/TPC/src/PID.cxx b/Modules/TPC/src/PID.cxx
index 03d9951bb3..e4920a2496 100644
--- a/Modules/TPC/src/PID.cxx
+++ b/Modules/TPC/src/PID.cxx
@@ -114,7 +114,7 @@ void PID::endOfCycle()
         fitFunc.SetParameter(5, 10); // Sigma of the second Gaussian
 
         // Fit the histogram with the fitting function
-        hist->Fit(&fitFunc, "QRN");
+        hist->Fit(&fitFunc, "QRNM");
 
         const TString binLabels[8] = { "Amplitude Pi", "Mean Pi", "Sigma Pi", "Amplitude El", "Mean El", "Sigma El", "Separation Power", "chiSquare/ndf" };