diff --git a/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VECHomopolymer.java b/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VECHomopolymer.java
index 230cf8677..72f363149 100755
--- a/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VECHomopolymer.java
+++ b/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VECHomopolymer.java
@@ -111,7 +111,7 @@ public class VECHomopolymer implements VariantExclusionCriterion {
         exclude =  checkOne || checkTwo || checkThree || checkFour;
     }
 
-    public boolean isExcludable() {
-        return exclude;
+    public double inclusionProbability() {
+        return exclude ? 0.0 : 1.0;
     }
 }
\ No newline at end of file
diff --git a/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VECOnOffGenotypeRatio.java b/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VECOnOffGenotypeRatio.java
index 5d87a68e5..153e7dc3b 100755
--- a/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VECOnOffGenotypeRatio.java
+++ b/java/src/org/broadinstitute/sting/playground/gatk/walkers/variants/VECOnOffGenotypeRatio.java
@@ -64,12 +64,12 @@ public class VECOnOffGenotypeRatio implements VariantExclusionCriterion { // ext
         exclude = ratio < threshold;
     }
 
-    public boolean useZeroQualityReads() { return false; }
-
-    public boolean isExcludable() {
-        return exclude;
+    public double inclusionProbability() {
+        return exclude ? 0.0 : 1.0;
     }
 
+    public boolean useZeroQualityReads() { return false; }
+
     public String getStudyHeader() {
         return "OnOffGenotype("+threshold+")\tOnRatio";
     }