diff --git a/example/solr/conf/schema.xml b/example/solr/conf/schema.xml
index c31ccf21455..8c228190303 100755
--- a/example/solr/conf/schema.xml
+++ b/example/solr/conf/schema.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <!--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
diff --git a/example/solr/conf/solrconfig.xml b/example/solr/conf/solrconfig.xml
index 1c78a66370f..7fb18408a4d 100755
--- a/example/solr/conf/solrconfig.xml
+++ b/example/solr/conf/solrconfig.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0" ?>
+<?xml version="1.0" encoding="UTF-8" ?>
 <!--
  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with