diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/qc/CountLociWalker.java b/java/src/org/broadinstitute/sting/gatk/walkers/qc/CountLociWalker.java
index ebbdd9193..ef6ff04f2 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/qc/CountLociWalker.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/qc/CountLociWalker.java
@@ -35,4 +35,8 @@ public class CountLociWalker extends LocusWalker<Integer, Long> implements TreeR
     public Long treeReduce(Long lhs, Long rhs) {
         return lhs + rhs;
     }
+
+    public void onTraversalDone( Long c ) {
+        out.println(c);
+    }
 }