https://savannah.cern.ch/bugs/?95821

	Pietro Antonioli

diff --git a/STEER/AOD/AliAODpidUtil.h b/STEER/AOD/AliAODpidUtil.h
index d3fcbc3480b303753fea257387db9f4d83bb251b..7fb92cf070ecbc020b4008c7c81d7d4e999abdbd 100644 (file)
--- a/STEER/AOD/AliAODpidUtil.h
+++ b/STEER/AOD/AliAODpidUtil.h
@@ -53,11 +53,14 @@ inline Float_t AliAODpidUtil::NumberOfSigmasTOF(const AliVParticle *vtrack, AliP
   Double_t tofTime=pidObj->GetTOFsignal();
   Double_t expTime=fTOFResponse.GetExpectedSignal((AliVTrack*)vtrack,type);
   AliAODEvent *event=(AliAODEvent*)track->GetAODEvent();
-  AliTOFHeader* tofH=(AliTOFHeader*)event->GetTOFHeader();
-  if (tofH) { // new AOD
-    sigTOF=fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type)); //fTOFResponse is set in InitialiseEvent
-    tofTime -= fTOFResponse.GetStartTime(vtrack->P());
-  } else { // old AOD
+  if (event) {  // protection
+    AliTOFHeader* tofH=(AliTOFHeader*)event->GetTOFHeader();
+    if (tofH) { // new AOD
+      sigTOF=fTOFResponse.GetExpectedSigma(track->P(),expTime,AliPID::ParticleMassZ(type)); //fTOFResponse is set in InitialiseEvent
+      tofTime -= fTOFResponse.GetStartTime(vtrack->P());
+    } 
+  }
+  else { // old AOD
     if (type <= AliPID::kProton) {
       Double_t sigmaTOFPid[AliPID::kSPECIES];
       pidObj->GetTOFpidResolution(sigmaTOFPid);