diff -u -r1.2 -r1.3
--- EvioFileReader.java	3 Apr 2012 18:37:29 -0000	1.2
+++ EvioFileReader.java	4 Apr 2012 18:43:07 -0000	1.3
@@ -7,7 +7,7 @@

 import org.jlab.coda.jevio.EvioReader;
 import org.lcsim.event.EventHeader;
 import org.lcsim.hps.evio.LCSimEventBuilder;

-import org.lcsim.hps.evio.MCEventBuilder;

+import org.lcsim.hps.evio.LCSimTestRunEventBuilder;

 import org.lcsim.job.JobControlManager;
 import org.lcsim.util.DriverAdapter;
 

@@ -70,8 +70,8 @@

 			// Call wrapper to startOfData() on DriverAdapter.
 			driverAdapter.configure(null);
 

-			//LCSimEventBuilder eventBuilder = new LCSimEventBuilder(detectorName);
-			LCSimEventBuilder eventBuilder = new MCEventBuilder();

+			// Setup the event builder.
+			LCSimEventBuilder eventBuilder = new LCSimTestRunEventBuilder();

 			eventBuilder.setDetectorName(detectorName);
 			eventBuilder.setDebug(true);