diff --git a/Lib/SolrPhpClient/Apache/Solr/Service.php b/Lib/SolrPhpClient/Apache/Solr/Service.php
index 07172ab6..f5d7b23a 100644
--- a/Lib/SolrPhpClient/Apache/Solr/Service.php
+++ b/Lib/SolrPhpClient/Apache/Solr/Service.php
@@ -1255,7 +1255,12 @@ public function search($query, $offset = 0, $limit = 10, $params = array(), $met
 	public function getSynonyms()
 	{
 		$response = $this->_sendRawGet($this->_synonymsUrl);
-		return get_object_vars(json_decode($response->getRawResponse())->synonymMappings->managedMap);
+		$responseRaw = $response->getRawResponse();
+		if(empty($responseRaw)) {
+			return array();
+		}
+
+		return get_object_vars(json_decode($responseRaw)->synonymMappings->managedMap);
 	}
 
 	/**