diff -u -r1.10 -r1.11
--- ReclusterDTreeDriver.java	11 Mar 2008 17:15:50 -0000	1.10
+++ ReclusterDTreeDriver.java	11 Mar 2008 19:27:40 -0000	1.11
@@ -3135,7 +3135,11 @@

     boolean isPunchThrough(Set<Cluster> showerComponents, List<SharedClusterGroup> allSharedClusters) {
 	Cluster clusterToCheckForPunchThrough = null;
 	if (m_checkSharedHitsForPunchThrough) {

-	    clusterToCheckForPunchThrough = makeClusterOfSharedHits(showerComponents, allSharedClusters);

+	    Cluster sharedHitCluster = makeClusterOfSharedHits(showerComponents, allSharedClusters);
+	    List<Cluster> showerComponentsPlusSharedHits = new Vector<Cluster>();
+	    showerComponentsPlusSharedHits.addAll(showerComponents);
+	    showerComponentsPlusSharedHits.add(sharedHitCluster);
+	    clusterToCheckForPunchThrough = makeCombinedCluster(showerComponentsPlusSharedHits);

 	} else {
 	    clusterToCheckForPunchThrough = makeCombinedCluster(showerComponents);
 	}