diff --git a/build.xml b/build.xml
index 874a003eb..295cd95e1 100644
--- a/build.xml
+++ b/build.xml
@@ -489,6 +489,7 @@
             <fileset dir="${java.classes}">
               <include name="**/utils/codecs/**/*.class"/>
               <include name="**/utils/variantcontext/**/*.class"/>
+              <include name="**/UserException*.class"/>
             </fileset>
         </jar>
     </target>