diff --git a/reference/solr/solrquery/addfilterquery.xml b/reference/solr/solrquery/addfilterquery.xml
index 249a944097..cb75940f87 100644
--- a/reference/solr/solrquery/addfilterquery.xml
+++ b/reference/solr/solrquery/addfilterquery.xml
@@ -63,7 +63,7 @@ $client = new SolrClient($options);
 
 $query = new SolrQuery();
 
-$query->setQuery($query);
+$query->setQuery('*:*');
 
 $query->addFilterQuery('color:blue,green');