diff --git a/protected/gatk-tools-protected/src/main/java/org/broadinstitute/gatk/tools/walkers/genotyper/InfiniteRandomMatingPopulationModel.java b/protected/gatk-tools-protected/src/main/java/org/broadinstitute/gatk/tools/walkers/genotyper/InfiniteRandomMatingPopulationModel.java
index f1bdfa082..9de5e202a 100644
--- a/protected/gatk-tools-protected/src/main/java/org/broadinstitute/gatk/tools/walkers/genotyper/InfiniteRandomMatingPopulationModel.java
+++ b/protected/gatk-tools-protected/src/main/java/org/broadinstitute/gatk/tools/walkers/genotyper/InfiniteRandomMatingPopulationModel.java
@@ -141,7 +141,7 @@ public class InfiniteRandomMatingPopulationModel implements GenotypingModel {
     }
 
     private GenotypeLikelihoodCalculator getLikelihoodsCalculator(final int samplePloidy, final int alleleCount) {
-        if (samplePloidy >= cacheAlleleCountCapacity)
+        if (samplePloidy >= cachePloidyCapacity)
             return GenotypeLikelihoodCalculators.getInstance(samplePloidy, alleleCount);
         else if (alleleCount >= cacheAlleleCountCapacity)
             return GenotypeLikelihoodCalculators.getInstance(samplePloidy, alleleCount);