diff --git a/java/src/org/broadinstitute/sting/gatk/GATKArgumentCollection.java b/java/src/org/broadinstitute/sting/gatk/GATKArgumentCollection.java
index 44211ef97..954a254f1 100755
--- a/java/src/org/broadinstitute/sting/gatk/GATKArgumentCollection.java
+++ b/java/src/org/broadinstitute/sting/gatk/GATKArgumentCollection.java
@@ -136,7 +136,7 @@ public class GATKArgumentCollection {
 
     @Element(required = false)
     @Argument(fullName = "LocusIteratorByHanger", shortName = "LIBH", doc = "Should we use the new LocusIteratorByState or the old LocusIteratorByHanger?", required = false)
-    public Boolean useLocusIteratorByHanger = true;
+    public Boolean useLocusIteratorByHanger = false;
 
 
     /**