diff --git a/solr/build.xml b/solr/build.xml
index 7ed40bbb210..40c8a2a5ffe 100644
--- a/solr/build.xml
+++ b/solr/build.xml
@@ -49,6 +49,7 @@
     </ant>
     <jar destfile="${example}/exampledocs/post.jar">
       <fileset dir="${dest}/solr-core/classes/java">
+        <include name="org/apache/solr/util/CLIO.class"/>
         <include name="org/apache/solr/util/SimplePostTool*.class"/>
         <include name="org/apache/solr/util/RTimer.class"/>
         <include name="org/apache/solr/util/RTimer$*.class"/>