diff --git a/java/src/org/broadinstitute/sting/playground/gatk/walkers/CoverageEvalWalker.java b/java/src/org/broadinstitute/sting/playground/gatk/walkers/CoverageEvalWalker.java
index 3357715f3..255bcac00 100755
--- a/java/src/org/broadinstitute/sting/playground/gatk/walkers/CoverageEvalWalker.java
+++ b/java/src/org/broadinstitute/sting/playground/gatk/walkers/CoverageEvalWalker.java
@@ -98,6 +98,8 @@ public class CoverageEvalWalker extends LocusWalker<List<String>, String> {
         return "";
     }
 
+    public void onTraversalDone(String result) {} // Don't print the reduce result
+
     public String reduce(List<String> alleleFreqLines, String sum) {
         for (String line : alleleFreqLines) {
             out.println(line);