diff --git a/common/HttpClient.php b/common/HttpClient.php
index 6ac7fc8..d16cdab 100644
--- a/common/HttpClient.php
+++ b/common/HttpClient.php
@@ -472,7 +472,11 @@ class HttpClient
 			return json_decode($body, true);
 		} else if (strpos($type, 'xml') !== false) {
 			$data = simplexml_load_string($body, 'SimpleXMLElement', LIBXML_NOCDATA);
-			return json_decode(json_encode($data), TRUE);
+			$encode = json_encode($data);
+			if (is_array($encode)) {
+				return $encode;
+			}
+			return json_decode($encode, TRUE);
 		} else if (strpos($type, 'plain') !== false) {
 			return json_decode($data, TRUE);
 		} else {