X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=blobdiff_plain;f=T0%2FAliT0Digitizer.cxx;h=1dd37ca9c793cef6465ceb1b4a9bafc70b67093a;hp=bc4947faedbf0c15fd6c055e7d4dc29edbe23c70;hb=d52fab812a79e326c5c56340166d1781b88fa7fc;hpb=57e2ad1a48096a0838d3e4a05f69d5469b822971;ds=inline

diff --git a/T0/AliT0Digitizer.cxx b/T0/AliT0Digitizer.cxx
index bc4947faedb..1dd37ca9c79 100644
--- a/T0/AliT0Digitizer.cxx
+++ b/T0/AliT0Digitizer.cxx
@@ -313,7 +313,8 @@ void AliT0Digitizer::Exec(Option_t* /*option*/)
 	  TGraph* gr1 = ((TGraph*)fAmpQTC.At(i));
 	  qtCh = gr1->Eval(qt);
 	  fADC0->AddAt(0,i);
-	  fADC->AddAt(qtCh,i);
+	  if(qtCh)
+	    fADC->AddAt(qtCh,i);
 	  //	  sumMult += Int_t ((al*gain[i]/ph2Mip)*50) ;
 	  sumMult += Int_t (qtCh/sumMultCoeff)  ;