--- PamCut/CaloCuts/CaloNotIntCut/CaloNotIntCut.cpp	2009/10/27 18:20:18	1.2
+++ PamCut/CaloCuts/CaloNotIntCut/CaloNotIntCut.cpp	2009/11/24 14:42:31	1.4
@@ -18,20 +18,29 @@
   
     // energy released along the event axis in the calo / total energy release in the calo
     
-    float qratio = ( _xCaloAxis->GetQaxis() + _yCaloAxis->GetQaxis() ) / event->GetCaloLevel2()->qtot;
+    Double_t qtot = event->GetCaloLevel2()->qtot;
+    if ( qtot>0 ) {
+    
+      Double_t qratio = ( _xCaloAxis->GetQaxis() + _yCaloAxis->GetQaxis() ) / qtot;
 
-    if (! (qratio > _qRatioMin) ) {
-      return 1;
-    }
+      if (! (qratio > _qRatioMin) ) {
+        return 1;
+      }
   
+    }
   }
   
   if (_pamTrack) { // PAMELA track
 
-    float qratio = ( _pamTrack->GetCaloTrack()->qtrack ) / event->GetCaloLevel2()->qtot;
+    Double_t qtot = event->GetCaloLevel2()->qtot;
+    if ( qtot>0 ) {
+
+      Double_t qratio = ( (*_pamTrack)->GetCaloTrack()->qtrack ) / qtot;
 
-    if (! (qratio > _qRatioMin) ) {  
-      return 2;
+      if (! (qratio > _qRatioMin) ) {  
+        return 2;
+      }
+      
     }
 
   }