diff --git a/admin.widget.class.php b/admin.widget.class.php
index 84726628..2b88e7a0 100644
--- a/admin.widget.class.php
+++ b/admin.widget.class.php
@@ -104,7 +104,7 @@ public function wpsp_admin_page()
             </form>
             <hr/>
             <div>
-                <h2>Test Email</h2>
+                <h3>Test Email</h3>
                 <?php
                 if (isset($_POST['sp_test_email'])) {
                     $this->test_email_sending($_POST['to_email'], !empty($_POST['enable_debugging']));
diff --git a/mailer.http.class.php b/mailer.http.class.php
index 47542970..b485b70f 100644
--- a/mailer.http.class.php
+++ b/mailer.http.class.php
@@ -18,6 +18,10 @@ function __construct($exceptions = false)
         parent::__construct($exceptions);
     }
 
+    function mailSend($header, $body) { /** TODO check if need to use $header, $body */
+        return $this->sparkpostSend();
+    }
+
     function sparkpostSend()
     {
         $this->edebug('Preparing request data');
@@ -147,8 +151,8 @@ protected function handle_response($response)
             return false;
         }
         
-        $this->edebug('Response headers: ' . print_r($result['headers'], true));
-        $this->edebug('Response body: ' . print_r($result['body'], true));
+        $this->edebug('Response headers: ' . print_r($response['headers'], true));
+        $this->edebug('Response body: ' . print_r($response['body'], true));
 
         $body = json_decode($response['body']);
         if (property_exists($body, 'errors')) {
diff --git a/readme.txt b/readme.txt
index 713501c4..294e684f 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: sparkpost, rajuru
 Tags: sparkpost, smtp, wp_mail, mail, email
 Requires at least: 4.0
 Tested up to: 4.4.2
-Stable tag: 2.2.0
+Stable tag: 2.2.1
 License: GPLv2 or later
 
 Send all your email from Wordpress through SparkPost, the most advanced email delivery service.
@@ -47,6 +47,9 @@ Visit our [support site](https://support.sparkpost.com/) for help.
 
 == Changelog ==
 
+= 2.2.1 =
+- Fix issue for previous version of WordPress
+
 = 2.2.0 =
 - Add template field for selecting a SparkPost template when using HTTP API
 - Allow substituion of Subject, From name in HTTP API
diff --git a/wordpress-sparkpost.php b/wordpress-sparkpost.php
index dc700352..cd2ea47f 100644
--- a/wordpress-sparkpost.php
+++ b/wordpress-sparkpost.php
@@ -6,7 +6,7 @@
 Plugin Name: SparkPost
 Plugin URI: http://sparkpost.com/
 Description: Send all your email from Wordpress through SparkPost, the world's most advanced email delivery service.
-Version: 2.2.0
+Version: 2.2.1
 Author: SparkPost
 Author URI: http://sparkpost.com
 License: GPLv2 or later