diff --git a/plugins/arSolrPlugin/lib/arSolrPlugin.class.php b/plugins/arSolrPlugin/lib/arSolrPlugin.class.php
index 516856851b..ee05ad8f7d 100644
--- a/plugins/arSolrPlugin/lib/arSolrPlugin.class.php
+++ b/plugins/arSolrPlugin/lib/arSolrPlugin.class.php
@@ -259,7 +259,9 @@ public function addDocument($data, $type)
         $id = $data['id'];
 
         $url = $this->solrBaseUrl.'/solr/'.$this->solrClientOptions['collection'].'/update/json/docs';
-        arSolrPlugin::makeHttpRequest($url, 'POST', json_encode($data));
+        arSolrPlugin::makeHttpRequest($url, 'POST', json_encode([
+            $type => $data,
+        ]));
 
         unset($data['id']);
     }