diff --git a/src/Curl.class.php b/src/Curl.class.php
index b0346ba..9624dfb 100644
--- a/src/Curl.class.php
+++ b/src/Curl.class.php
@@ -350,7 +350,8 @@ class Curl
                     if (!is_null($json_obj)) {
                         $ch->response = $json_obj;
                     }
-                } elseif (preg_match('/^application\/xml/i', $ch->response_headers['Content-Type']) ||
+                } elseif (preg_match('/^application\/rss\+xml/i', $ch->response_headers['Content-Type']) ||
+                          preg_match('/^application\/xml/i', $ch->response_headers['Content-Type']) ||
                           preg_match('/^text\/xml/i', $ch->response_headers['Content-Type'])) {
                     $xml_obj = @simplexml_load_string($ch->response);
                     if (!($xml_obj === false)) {
diff --git a/tests/PHPCurlClass/PHPCurlClassTest.php b/tests/PHPCurlClass/PHPCurlClassTest.php
index 76317f7..b8adda3 100644
--- a/tests/PHPCurlClass/PHPCurlClassTest.php
+++ b/tests/PHPCurlClass/PHPCurlClassTest.php
@@ -432,6 +432,12 @@ class CurlTest extends PHPUnit_Framework_TestCase {
             PHPUnit_Framework_Assert::assertInstanceOf('SimpleXMLElement', $test->curl->response);
         }
 
+        xml_assertion('Content-Type', 'application/rss+xml; charset=utf-8');
+        xml_assertion('content-type', 'application/rss+xml; charset=utf-8');
+        xml_assertion('Content-Type', 'application/rss+xml');
+        xml_assertion('content-type', 'application/rss+xml');
+        xml_assertion('CONTENT-TYPE', 'application/rss+xml');
+        xml_assertion('CONTENT-TYPE', 'application/rss+xml');
         xml_assertion('Content-Type', 'application/xml; charset=utf-8');
         xml_assertion('content-type', 'application/xml; charset=utf-8');
         xml_assertion('Content-Type', 'application/xml');