diff --git a/solr/example/example-schemaless/solr/collection1/conf/solrconfig.xml b/solr/example/example-schemaless/solr/collection1/conf/solrconfig.xml
index 54cfd4c4a46..e6f9522ed98 100755
--- a/solr/example/example-schemaless/solr/collection1/conf/solrconfig.xml
+++ b/solr/example/example-schemaless/solr/collection1/conf/solrconfig.xml
@@ -1017,11 +1017,13 @@
   <requestHandler name="/update/json" class="solr.JsonUpdateRequestHandler">
     <lst name="defaults">
       <str name="stream.contentType">application/json</str>
+      <str name="update.chain">add-unknown-fields-to-the-schema</str>
     </lst>
   </requestHandler>
   <requestHandler name="/update/csv" class="solr.CSVRequestHandler">
     <lst name="defaults">
       <str name="stream.contentType">application/csv</str>
+      <str name="update.chain">add-unknown-fields-to-the-schema</str>
     </lst>
   </requestHandler>