diff --git a/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/DiploidGenotype.java b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/DiploidGenotype.java
new file mode 100755
index 000000000..9aa16d6ee
--- /dev/null
+++ b/java/src/org/broadinstitute/sting/gatk/walkers/genotyper/DiploidGenotype.java
@@ -0,0 +1,21 @@
+package org.broadinstitute.sting.gatk.walkers.genotyper;
+
+/**
+ * Created by IntelliJ IDEA.
+ * User: depristo
+ * Date: Aug 4, 2009
+ * Time: 6:46:09 PM
+ * To change this template use File | Settings | File Templates.
+ */
+public enum DiploidGenotype {
+    AA,
+    AC,
+    AG,
+    AT,
+    CC,
+    CG,
+    CT,
+    GG,
+    GT,
+    TT
+}