diff --git a/java/src/org/broadinstitute/sting/oneoffprojects/walkers/CreateTiTvTrack.java b/java/src/org/broadinstitute/sting/oneoffprojects/walkers/CreateTiTvTrack.java
index 145593c8c..a7fc374a1 100755
--- a/java/src/org/broadinstitute/sting/oneoffprojects/walkers/CreateTiTvTrack.java
+++ b/java/src/org/broadinstitute/sting/oneoffprojects/walkers/CreateTiTvTrack.java
@@ -58,7 +58,7 @@ public class CreateTiTvTrack extends RodWalker<VariantContext,TiTvWindow> {
         return window;
     }
 
-    public void onTraversalDone() {
+    public void onTraversalDone(TiTvWindow window) {
         
     }