diff --git a/zanata-war/src/main/webapp-jboss/WEB-INF/classes/META-INF/persistence.xml b/zanata-war/src/main/webapp-jboss/WEB-INF/classes/META-INF/persistence.xml
index efb061607d..2da24e3e8c 100644
--- a/zanata-war/src/main/webapp-jboss/WEB-INF/classes/META-INF/persistence.xml
+++ b/zanata-war/src/main/webapp-jboss/WEB-INF/classes/META-INF/persistence.xml
@@ -91,7 +91,7 @@
       <!-- to use an existing cache manager (Good for external configuration) -->
       <property name="hibernate.search.infinispan.cachemanager_jndiname"
         value="java:jboss/infinispan/container/hibernate-search"/>
-      <!--<property name="hibernate.search.lucene_version" value="LUCENE_36" />-->
+      <property name="hibernate.search.lucene_version" value="LUCENE_36" />
       <property name="hibernate.search.worker.batch_size" value="50" />
 
       <!-- Run the Hibernate bytecode instrumentation at deployment time, for lazy loading of @ToOne and byte[] properties -->