Index: /trunk/Mars/mmc/MMcEvtBasic.cc
===================================================================
--- /trunk/Mars/mmc/MMcEvtBasic.cc	(revision 19736)
+++ /trunk/Mars/mmc/MMcEvtBasic.cc	(revision 19737)
@@ -221,5 +221,6 @@
         *fLog << all << endl;
         *fLog << "Monte Carlo output:" << endl;
-        *fLog << " Particle Id:    " << GetParticleName() << endl;
+        if (fPartId>=0)
+            *fLog << " Particle Id:    " << GetParticleName() << " [" << fPartId <<  "]" << endl;
         *fLog << " Energy:         " << fEnergy << "GeV" << endl;
         *fLog << " Impactparam.:   " << fImpact/100 << "m" << endl;