diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/OneStateErrorGenotypeLikelihoods.java b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/OneStateErrorGenotypeLikelihoods.java
index 1dae5e5db..ca46edf2e 100755
--- a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/OneStateErrorGenotypeLikelihoods.java
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/OneStateErrorGenotypeLikelihoods.java
@@ -47,4 +47,5 @@ public class OneStateErrorGenotypeLikelihoods extends GenotypeLikelihoods {
                                              SAMRecord read, int offset, GenotypeLikelihoods val ) {
         return simpleGetSetCache(ONE_STATE_CACHE, observedBase, qualityScore, ploidy, read, offset, val);
     }
+    protected void clearCache() { ONE_STATE_CACHE = new GenotypeLikelihoods[BaseUtils.BASES.length][QualityUtils.MAX_QUAL_SCORE][MAX_PLOIDY][2]; }    
 }